diff --git a/README.md b/README.md
index 53900ce..55e23e6 100644
--- a/README.md
+++ b/README.md
@@ -62,6 +62,7 @@ module "vpc" {
 
 - [Complete example](https://github.com/terraform-aws-modules/terraform-aws-transit-gateway/tree/master/examples/complete) shows TGW in combination with the [VPC module](https://github.com/terraform-aws-modules/terraform-aws-vpc) and [Resource Access Manager (RAM)](https://aws.amazon.com/ram/).
 - [Multi-account example](https://github.com/terraform-aws-modules/terraform-aws-transit-gateway/tree/master/examples/multi-account) shows TGW resources shared with different AWS accounts (via [Resource Access Manager (RAM)](https://aws.amazon.com/ram/)).
+- [Multiple route tables](https://github.com/terraform-aws-modules/terraform-aws-transit-gateway/tree/master/examples/multiple-route-tables) shows a TGW with multiple route tables
 
 <!-- BEGIN_TF_DOCS -->
 ## Requirements
diff --git a/examples/multiple-route-tables/README.md b/examples/multiple-route-tables/README.md
new file mode 100644
index 0000000..dc7a6a1
--- /dev/null
+++ b/examples/multiple-route-tables/README.md
@@ -0,0 +1,55 @@
+# Complete AWS Transit Gateway example
+
+Configuration in this directory creates an AWS Transit Gateway, attaches a VPC to it, creates two Transit Gateway route tables, and shares the Transit Gateway with other AWS principals using [Resource Access Manager (RAM)](https://aws.amazon.com/ram/).
+
+## Requirements
+
+| Name | Version |
+|------|---------|
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.0 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 4.4 |
+
+## Providers
+
+No providers.
+
+## Modules
+
+| Name | Source | Version |
+|------|--------|---------|
+| <a name="module_tgw"></a> [tgw](#module\_tgw) | ../../ | n/a |
+| <a name="module_tgw_peer"></a> [tgw\_peer](#module\_tgw\_peer) | ../../ | n/a |
+| <a name="module_tgw_rtb1"></a> [tgw\_rtb1](#module\_tgw\_rtb1) | ../../modules/route-table | n/a |
+| <a name="module_tgw_rtb2"></a> [tgw\_rtb1](#module\_tgw\_rtb1) | ../../modules/route-table | n/a |
+| <a name="module_vpc1"></a> [vpc1](#module\_vpc1) | terraform-aws-modules/vpc/aws | ~> 5.0 |
+| <a name="module_vpc2"></a> [vpc2](#module\_vpc2) | terraform-aws-modules/vpc/aws | ~> 5.0 |
+
+## Resources
+
+No resources.
+
+## Inputs
+
+No inputs.
+
+## Outputs
+
+| Name | Description |
+|------|-------------|
+| <a name="output_ec2_transit_gateway_arn"></a> [ec2\_transit\_gateway\_arn](#output\_ec2\_transit\_gateway\_arn) | EC2 Transit Gateway Amazon Resource Name (ARN) |
+| <a name="output_ec2_transit_gateway_association_default_route_table_id"></a> [ec2\_transit\_gateway\_association\_default\_route\_table\_id](#output\_ec2\_transit\_gateway\_association\_default\_route\_table\_id) | Identifier of the default association route table |
+| <a name="output_ec2_transit_gateway_id"></a> [ec2\_transit\_gateway\_id](#output\_ec2\_transit\_gateway\_id) | EC2 Transit Gateway identifier |
+| <a name="output_ec2_transit_gateway_owner_id"></a> [ec2\_transit\_gateway\_owner\_id](#output\_ec2\_transit\_gateway\_owner\_id) | Identifier of the AWS account that owns the EC2 Transit Gateway |
+| <a name="output_ec2_transit_gateway_propagation_default_route_table_id"></a> [ec2\_transit\_gateway\_propagation\_default\_route\_table\_id](#output\_ec2\_transit\_gateway\_propagation\_default\_route\_table\_id) | Identifier of the default propagation route table |
+| <a name="output_ec2_transit_gateway_route_ids"></a> [ec2\_transit\_gateway\_route\_ids](#output\_ec2\_transit\_gateway\_route\_ids) | List of EC2 Transit Gateway Route Table identifier combined with destination |
+| <a name="output_ec2_transit_gateway_route_table_association"></a> [ec2\_transit\_gateway\_route\_table\_association](#output\_ec2\_transit\_gateway\_route\_table\_association) | Map of EC2 Transit Gateway Route Table Association attributes |
+| <a name="output_ec2_transit_gateway_route_table_association_ids"></a> [ec2\_transit\_gateway\_route\_table\_association\_ids](#output\_ec2\_transit\_gateway\_route\_table\_association\_ids) | List of EC2 Transit Gateway Route Table Association identifiers |
+| <a name="output_ec2_transit_gateway_route_table_default_association_route_table"></a> [ec2\_transit\_gateway\_route\_table\_default\_association\_route\_table](#output\_ec2\_transit\_gateway\_route\_table\_default\_association\_route\_table) | Boolean whether this is the default association route table for the EC2 Transit Gateway |
+| <a name="output_ec2_transit_gateway_route_table_default_propagation_route_table"></a> [ec2\_transit\_gateway\_route\_table\_default\_propagation\_route\_table](#output\_ec2\_transit\_gateway\_route\_table\_default\_propagation\_route\_table) | Boolean whether this is the default propagation route table for the EC2 Transit Gateway |
+| <a name="output_ec2_transit_gateway_route_table_id"></a> [ec2\_transit\_gateway\_route\_table\_id](#output\_ec2\_transit\_gateway\_route\_table\_id) | EC2 Transit Gateway Route Table identifier |
+| <a name="output_ec2_transit_gateway_route_table_propagation"></a> [ec2\_transit\_gateway\_route\_table\_propagation](#output\_ec2\_transit\_gateway\_route\_table\_propagation) | Map of EC2 Transit Gateway Route Table Propagation attributes |
+| <a name="output_ec2_transit_gateway_route_table_propagation_ids"></a> [ec2\_transit\_gateway\_route\_table\_propagation\_ids](#output\_ec2\_transit\_gateway\_route\_table\_propagation\_ids) | List of EC2 Transit Gateway Route Table Propagation identifiers |
+| <a name="output_ec2_transit_gateway_vpc_attachment"></a> [ec2\_transit\_gateway\_vpc\_attachment](#output\_ec2\_transit\_gateway\_vpc\_attachment) | Map of EC2 Transit Gateway VPC Attachment attributes |
+| <a name="output_ec2_transit_gateway_vpc_attachment_ids"></a> [ec2\_transit\_gateway\_vpc\_attachment\_ids](#output\_ec2\_transit\_gateway\_vpc\_attachment\_ids) | List of EC2 Transit Gateway VPC Attachment identifiers |
+| <a name="output_ram_principal_association_id"></a> [ram\_principal\_association\_id](#output\_ram\_principal\_association\_id) | The Amazon Resource Name (ARN) of the Resource Share and the principal, separated by a comma |
+| <a name="output_ram_resource_share_id"></a> [ram\_resource\_share\_id](#output\_ram\_resource\_share\_id) | The Amazon Resource Name (ARN) of the resource share |
diff --git a/examples/multiple-route-tables/main.tf b/examples/multiple-route-tables/main.tf
new file mode 100644
index 0000000..a883170
--- /dev/null
+++ b/examples/multiple-route-tables/main.tf
@@ -0,0 +1,196 @@
+provider "aws" {
+  region = local.region
+}
+
+# This provider is required for attachment only installation in another AWS Account
+provider "aws" {
+  region = local.region
+  alias  = "peer"
+}
+
+locals {
+  name   = "ex-tgw-${replace(basename(path.cwd), "_", "-")}"
+  region = "eu-west-1"
+
+  tags = {
+    Example    = local.name
+    GithubRepo = "terraform-aws-eks"
+    GithubOrg  = "terraform-aws-transit-gateway"
+  }
+}
+
+################################################################################
+# Transit Gateway Module
+################################################################################
+
+module "tgw" {
+  source = "../../"
+
+  name              = local.name
+  description       = "My TGW shared with several other AWS accounts"
+  amazon_side_asn   = 64532
+  create_tgw_routes = false
+
+  # When "true" there is no need for RAM resources if using multiple AWS accounts
+  enable_auto_accept_shared_attachments = true
+
+  ram_allow_external_principals = true
+  ram_principals                = [307990089504]
+
+  tags = local.tags
+}
+
+module "tgw_rtb1" {
+  source = "../../modules/route-table"
+
+  name               = "${local.name}-rtb1"
+  transit_gateway_id = module.tgw.ec2_transit_gateway_id
+
+  vpc_attachments = {
+    vpc1 = {
+      vpc_id       = module.vpc1.vpc_id
+      subnet_ids   = module.vpc1.private_subnets
+      dns_support  = true
+      ipv6_support = true
+
+      tgw_routes = [
+        {
+          destination_cidr_block = "30.0.0.0/16"
+        },
+        {
+          blackhole              = true
+          destination_cidr_block = "0.0.0.0/0"
+        }
+      ]
+    },
+    vpc2 = {
+      vpc_id     = module.vpc2.vpc_id
+      subnet_ids = module.vpc2.private_subnets
+
+      tgw_routes = [
+        {
+          destination_cidr_block = "50.0.0.0/16"
+        },
+        {
+          blackhole              = true
+          destination_cidr_block = "10.10.10.10/32"
+        }
+      ]
+    },
+  }
+}
+
+module "tgw_rtb2" {
+  source = "../../modules/route-table"
+
+  name               = "${local.name}-rtb2"
+  transit_gateway_id = module.tgw.ec2_transit_gateway_id
+
+  vpc_attachments = {
+    vpc1 = {
+      vpc_id       = module.vpc1.vpc_id
+      subnet_ids   = module.vpc1.private_subnets
+      dns_support  = true
+      ipv6_support = true
+
+      tgw_routes = [
+        {
+          destination_cidr_block = "30.0.0.0/16"
+        }
+      ]
+    }
+  }
+}
+
+module "tgw_peer" {
+  # This is optional and connects to another account. Meaning you need to be authenticated with 2 separate AWS Accounts
+  source = "../../"
+
+  providers = {
+    aws = aws.peer
+  }
+
+  name            = "${local.name}-peer"
+  description     = "My TGW shared with several other AWS accounts"
+  amazon_side_asn = 64532
+
+  create_tgw             = false
+  share_tgw              = true
+  ram_resource_share_arn = module.tgw.ram_resource_share_id
+  # When "true" there is no need for RAM resources if using multiple AWS accounts
+  enable_auto_accept_shared_attachments = true
+
+  vpc_attachments = {
+    vpc1 = {
+      tgw_id       = module.tgw.ec2_transit_gateway_id
+      vpc_id       = module.vpc1.vpc_id
+      subnet_ids   = module.vpc1.private_subnets
+      dns_support  = true
+      ipv6_support = true
+
+      transit_gateway_default_route_table_association = false
+      transit_gateway_default_route_table_propagation = false
+
+      # optional VPC subnet routes
+      vpc_route_table_ids = module.vpc1.private_route_table_ids
+      # this example routes all non-local traffic over the transit gateway
+      tgw_destination_cidr = "0.0.0.0/0"
+
+      tgw_routes = [
+        {
+          destination_cidr_block = "30.0.0.0/16"
+        },
+        {
+          blackhole              = true
+          destination_cidr_block = "0.0.0.0/0"
+        }
+      ]
+    },
+  }
+
+  ram_allow_external_principals = true
+  ram_principals                = [307990089504]
+
+  tags = local.tags
+}
+
+################################################################################
+# Supporting resources
+################################################################################
+
+module "vpc1" {
+  source  = "terraform-aws-modules/vpc/aws"
+  version = "~> 5.0"
+
+  name = "${local.name}-vpc1"
+  cidr = "10.10.0.0/16"
+
+  azs             = ["${local.region}a", "${local.region}b", "${local.region}c"]
+  private_subnets = ["10.10.1.0/24", "10.10.2.0/24", "10.10.3.0/24"]
+
+  enable_ipv6                                    = true
+  private_subnet_assign_ipv6_address_on_creation = true
+  private_subnet_ipv6_prefixes                   = [0, 1, 2]
+
+  tags = local.tags
+}
+
+
+module "vpc2" {
+  source  = "terraform-aws-modules/vpc/aws"
+  version = "~> 5.0"
+
+  providers = {
+    aws = aws.peer
+  }
+
+  name = "${local.name}-vpc2"
+  cidr = "10.20.0.0/16"
+
+  azs             = ["${local.region}a", "${local.region}b", "${local.region}c"]
+  private_subnets = ["10.20.1.0/24", "10.20.2.0/24", "10.20.3.0/24"]
+
+  enable_ipv6 = false
+
+  tags = local.tags
+}
diff --git a/examples/multiple-route-tables/outputs.tf b/examples/multiple-route-tables/outputs.tf
new file mode 100644
index 0000000..b9ab895
--- /dev/null
+++ b/examples/multiple-route-tables/outputs.tf
@@ -0,0 +1,47 @@
+################################################################################
+# VPC Attachment
+################################################################################
+
+output "ec2_transit_gateway_vpc_attachment_ids" {
+  description = "List of EC2 Transit Gateway VPC Attachment identifiers"
+  value       = module.tgw.ec2_transit_gateway_vpc_attachment_ids
+}
+
+output "ec2_transit_gateway_vpc_attachment" {
+  description = "Map of EC2 Transit Gateway VPC Attachment attributes"
+  value       = module.tgw.ec2_transit_gateway_vpc_attachment
+}
+
+################################################################################
+# Route Table / Routes
+################################################################################
+
+output "ec2_transit_gateway_route_table_id" {
+  description = "EC2 Transit Gateway Route Table identifier"
+  value       = module.tgw_rtb2.ec2_transit_gateway_route_table_id
+}
+
+output "ec2_transit_gateway_route_ids" {
+  description = "List of EC2 Transit Gateway Route Table identifier combined with destination"
+  value       = module.tgw_rtb2.ec2_transit_gateway_route_ids
+}
+
+output "ec2_transit_gateway_route_table_association_ids" {
+  description = "List of EC2 Transit Gateway Route Table Association identifiers"
+  value       = module.tgw_rtb2.ec2_transit_gateway_route_table_association_ids
+}
+
+output "ec2_transit_gateway_route_table_association" {
+  description = "Map of EC2 Transit Gateway Route Table Association attributes"
+  value       = module.tgw_rtb2.ec2_transit_gateway_route_table_association
+}
+
+output "ec2_transit_gateway_route_table_propagation_ids" {
+  description = "List of EC2 Transit Gateway Route Table Propagation identifiers"
+  value       = module.tgw_rtb2.ec2_transit_gateway_route_table_propagation_ids
+}
+
+output "ec2_transit_gateway_route_table_propagation" {
+  description = "Map of EC2 Transit Gateway Route Table Propagation attributes"
+  value       = module.tgw_rtb2.ec2_transit_gateway_route_table_propagation
+}
diff --git a/examples/multiple-route-tables/variables.tf b/examples/multiple-route-tables/variables.tf
new file mode 100644
index 0000000..e69de29
diff --git a/examples/multiple-route-tables/versions.tf b/examples/multiple-route-tables/versions.tf
new file mode 100644
index 0000000..46b7087
--- /dev/null
+++ b/examples/multiple-route-tables/versions.tf
@@ -0,0 +1,10 @@
+terraform {
+  required_version = ">= 1.0"
+
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = ">= 4.4"
+    }
+  }
+}
diff --git a/modules/route-table/README.md b/modules/route-table/README.md
new file mode 100644
index 0000000..e4a6cf8
--- /dev/null
+++ b/modules/route-table/README.md
@@ -0,0 +1,165 @@
+# AWS Transit Gateway Terraform module
+
+A Terraform module which creates Transit Gateway resources for an existing
+Transit Gateway. All of the `vpc_attachments` will be assigned to the same tgw
+route table.
+
+## Usage with VPC module
+
+```hcl
+module "tgw" {
+  source  = "terraform-aws-modules/transit-gateway/aws"
+  version = "~> 2.0"
+
+  name        = "my-tgw"
+  description = "My TGW shared with several other AWS accounts"
+
+  enable_auto_accept_shared_attachments = true
+
+  ram_allow_external_principals = true
+  ram_principals = [307990089504]
+
+  tags = {
+    Purpose = "tgw-complete-example"
+  }
+}
+
+# create a tgw route table called rtb1, associate the attachments
+module "tgw-rtb1" {
+  source  = "terraform-aws-modules/transit-gateway/aws//modules/route-table"
+  version = "~> 2.0"
+
+  name = "rtb1"
+
+  enable_dns_support            = true
+  enable_ipv6_support           = true
+  enable_sg_referencing_support = true
+
+  enable_default_route_table_association = false
+  enable_default_route_table_propagation = false
+
+  vpc_attachments = {
+    vpc = {
+      vpc_id       = module.vpc.vpc_id
+      subnet_ids   = module.vpc.private_subnets
+      dns_support  = true
+      ipv6_support = true
+
+      tgw_routes = [
+        {
+          destination_cidr_block = "30.0.0.0/16"
+        },
+        {
+          blackhole = true
+          destination_cidr_block = "40.0.0.0/20"
+        }
+      ]
+    }
+  }
+}
+
+# create tgw route tbale rtb2 on the same tgw
+module "tgw-rtb2" {
+  source  = "terraform-aws-modules/transit-gateway/aws//modules/route-table"
+  version = "~> 2.0"
+
+  name = "rtb2"
+
+  enable_dns_support            = true
+  enable_ipv6_support           = true
+  enable_sg_referencing_support = true
+
+  enable_default_route_table_association = false
+  enable_default_route_table_propagation = false
+
+  vpc_attachments = {
+    vpc = {
+      vpc_id       = module.vpc.vpc_id
+      subnet_ids   = module.vpc.private_subnets
+      dns_support  = true
+      ipv6_support = true
+
+      tgw_routes = [
+        {
+          destination_cidr_block = "172.16.0.0/16"
+        }
+      ]
+    }
+  }
+}
+
+module "vpc" {
+  source  = "terraform-aws-modules/vpc/aws"
+  version = "~> 3.0"
+
+  name = "my-vpc"
+
+  cidr = "10.10.0.0/16"
+
+  azs             = ["eu-west-1a", "eu-west-1b", "eu-west-1c"]
+  private_subnets = ["10.10.1.0/24", "10.10.2.0/24", "10.10.3.0/24"]
+
+  enable_ipv6                                    = true
+  private_subnet_assign_ipv6_address_on_creation = true
+  private_subnet_ipv6_prefixes                   = [0, 1, 2]
+}
+```
+
+## Requirements
+
+| Name | Version |
+|------|---------|
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13.1 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 4.4 |
+
+## Providers
+
+| Name | Version |
+|------|---------|
+| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 4.4 |
+
+## Modules
+
+No modules.
+
+## Resources
+
+| Name | Type |
+|------|------|
+| [aws_ec2_transit_gateway_route.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/ec2_transit_gateway_route) | resource |
+| [aws_ec2_transit_gateway_route_table.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/ec2_transit_gateway_route_table) | resource |
+| [aws_ec2_transit_gateway_route_table_association.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/ec2_transit_gateway_route_table_association) | resource |
+| [aws_ec2_transit_gateway_route_table_propagation.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/ec2_transit_gateway_route_table_propagation) | resource |
+| [aws_ec2_transit_gateway_vpc_attachment.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/ec2_transit_gateway_vpc_attachment) | resource |
+
+## Inputs
+
+| Name | Description | Type | Default | Required |
+|------|-------------|------|---------|:--------:|
+| <a name="input_enable_default_route_table_association"></a> [enable\_default\_route\_table\_association](#input\_enable\_default\_route\_table\_association) | Whether resource attachments are automatically associated with the default association route table | `bool` | `true` | no |
+| <a name="input_enable_default_route_table_propagation"></a> [enable\_default\_route\_table\_propagation](#input\_enable\_default\_route\_table\_propagation) | Whether resource attachments automatically propagate routes to the default propagation route table | `bool` | `true` | no |
+| <a name="input_enable_dns_support"></a> [enable\_dns\_support](#input\_enable\_dns\_support) | Should be true to enable DNS support in the TGW attachment | `bool` | `true` | no |
+| <a name="input_enable_ipv6_support"></a> [enable\_ipv6\_support](#input\_enable\_ipv6\_support) | Should be true to enable IPv6 support in the TGW attachment | `bool` | `false` | no |
+| <a name="input_enable_sg_referencing_support"></a> [enable\_sg\_referencing\_support](#input\_enable\_sg\_referencing\_support) | Indicates whether to enable security group referencing support | `bool` | `true` | no |
+| <a name="input_name"></a> [name](#input\_name) | Name to be used on all the resources as identifier | `string` | `""` | no |
+| <a name="input_tags"></a> [tags](#input\_tags) | A map of tags to add to all resources | `map(string)` | `{}` | no |
+| <a name="input_tgw_route_table_tags"></a> [tgw\_route\_table\_tags](#input\_tgw\_route\_table\_tags) | Additional tags for the TGW route table | `map(string)` | `{}` | no |
+| <a name="input_tgw_vpc_attachment_tags"></a> [tgw\_vpc\_attachment\_tags](#input\_tgw\_vpc\_attachment\_tags) | Additional tags for VPC attachments | `map(string)` | `{}` | no |
+| <a name="input_transit_gateway_id"></a> [transit\_gateway\_id](#input\_transit\_gateway\_id) | Identifier of EC2 Transit Gateway to use with the Target Gateway route table | `string` | n/a | yes |
+| <a name="input_vpc_attachments"></a> [vpc\_attachments](#input\_vpc\_attachments) | Maps of maps of VPC details to attach to TGW. Type 'any' to disable type validation by Terraform. | `any` | `{}` | no |
+
+## Outputs
+
+| Name | Description |
+|------|-------------|
+| <a name="output_ec2_transit_gateway_propagation_default_route_table_id"></a> [ec2\_transit\_gateway\_propagation\_default\_route\_table\_id](#output\_ec2\_transit\_gateway\_propagation\_default\_route\_table\_id) | Identifier of the default propagation route table |
+| <a name="output_ec2_transit_gateway_route_ids"></a> [ec2\_transit\_gateway\_route\_ids](#output\_ec2\_transit\_gateway\_route\_ids) | List of EC2 Transit Gateway Route Table identifier combined with destination |
+| <a name="output_ec2_transit_gateway_route_table_association"></a> [ec2\_transit\_gateway\_route\_table\_association](#output\_ec2\_transit\_gateway\_route\_table\_association) | Map of EC2 Transit Gateway Route Table Association attributes |
+| <a name="output_ec2_transit_gateway_route_table_association_ids"></a> [ec2\_transit\_gateway\_route\_table\_association\_ids](#output\_ec2\_transit\_gateway\_route\_table\_association\_ids) | List of EC2 Transit Gateway Route Table Association identifiers |
+| <a name="output_ec2_transit_gateway_route_table_default_association_route_table"></a> [ec2\_transit\_gateway\_route\_table\_default\_association\_route\_table](#output\_ec2\_transit\_gateway\_route\_table\_default\_association\_route\_table) | Boolean whether this is the default association route table for the EC2 Transit Gateway |
+| <a name="output_ec2_transit_gateway_route_table_default_propagation_route_table"></a> [ec2\_transit\_gateway\_route\_table\_default\_propagation\_route\_table](#output\_ec2\_transit\_gateway\_route\_table\_default\_propagation\_route\_table) | Boolean whether this is the default propagation route table for the EC2 Transit Gateway |
+| <a name="output_ec2_transit_gateway_route_table_id"></a> [ec2\_transit\_gateway\_route\_table\_id](#output\_ec2\_transit\_gateway\_route\_table\_id) | EC2 Transit Gateway Route Table identifier |
+| <a name="output_ec2_transit_gateway_route_table_propagation"></a> [ec2\_transit\_gateway\_route\_table\_propagation](#output\_ec2\_transit\_gateway\_route\_table\_propagation) | Map of EC2 Transit Gateway Route Table Propagation attributes |
+| <a name="output_ec2_transit_gateway_route_table_propagation_ids"></a> [ec2\_transit\_gateway\_route\_table\_propagation\_ids](#output\_ec2\_transit\_gateway\_route\_table\_propagation\_ids) | List of EC2 Transit Gateway Route Table Propagation identifiers |
+| <a name="output_ec2_transit_gateway_vpc_attachment"></a> [ec2\_transit\_gateway\_vpc\_attachment](#output\_ec2\_transit\_gateway\_vpc\_attachment) | Map of EC2 Transit Gateway VPC Attachment attributes |
+| <a name="output_ec2_transit_gateway_vpc_attachment_ids"></a> [ec2\_transit\_gateway\_vpc\_attachment\_ids](#output\_ec2\_transit\_gateway\_vpc\_attachment\_ids) | List of EC2 Transit Gateway VPC Attachment identifiers |
diff --git a/modules/route-table/main.tf b/modules/route-table/main.tf
new file mode 100644
index 0000000..f3445e8
--- /dev/null
+++ b/modules/route-table/main.tf
@@ -0,0 +1,95 @@
+locals {
+  # List of maps with key and route values
+  vpc_attachments_with_routes = chunklist(flatten([
+    for k, v in var.vpc_attachments : setproduct([{ key = k }], v.tgw_routes) if can(v.tgw_routes)
+  ]), 2)
+
+  vpc_route_table_destination_cidr = flatten([
+    for k, v in var.vpc_attachments : [
+      for rtb_id in try(v.vpc_route_table_ids, []) : {
+        rtb_id = rtb_id
+        cidr   = v.tgw_destination_cidr
+      }
+    ]
+  ])
+}
+
+################################################################################
+# VPC Attachment
+################################################################################
+
+resource "aws_ec2_transit_gateway_vpc_attachment" "this" {
+  for_each = var.vpc_attachments
+
+  transit_gateway_id = var.transit_gateway_id
+  vpc_id             = each.value.vpc_id
+  subnet_ids         = each.value.subnet_ids
+
+  dns_support                                     = try(each.value.dns_support, var.enable_dns_support) ? "enable" : "disable"
+  ipv6_support                                    = try(each.value.ipv6_support, var.enable_ipv6_support) ? "enable" : "disable"
+  security_group_referencing_support              = try(each.value.security_group_referencing_support, var.enable_sg_referencing_support) ? "enable" : "disable"
+  transit_gateway_default_route_table_association = try(each.value.transit_gateway_default_route_table_association, var.enable_default_route_table_association)
+  transit_gateway_default_route_table_propagation = try(each.value.transit_gateway_default_route_table_propagation, var.enable_default_route_table_propagation)
+
+  tags = merge(
+    var.tags,
+    { Name = var.name },
+    var.tgw_vpc_attachment_tags,
+    try(each.value.tags, {}),
+  )
+}
+
+################################################################################
+# Route Table / Routes
+################################################################################
+
+resource "aws_ec2_transit_gateway_route_table" "this" {
+  transit_gateway_id = var.transit_gateway_id
+
+  tags = merge(
+    var.tags,
+    { Name = var.name },
+    var.tgw_route_table_tags,
+  )
+}
+
+resource "aws_ec2_transit_gateway_route" "this" {
+  count = length(local.vpc_attachments_with_routes)
+
+  destination_cidr_block = local.vpc_attachments_with_routes[count.index][1].destination_cidr_block
+  blackhole              = try(local.vpc_attachments_with_routes[count.index][1].blackhole, null)
+
+  transit_gateway_route_table_id = aws_ec2_transit_gateway_route_table.this.id
+  transit_gateway_attachment_id  = tobool(try(local.vpc_attachments_with_routes[count.index][1].blackhole, false)) == false ? aws_ec2_transit_gateway_vpc_attachment.this[local.vpc_attachments_with_routes[count.index][0].key].id : null
+}
+
+resource "aws_ec2_transit_gateway_route_table_association" "this" {
+  for_each = {
+    for k, v in var.vpc_attachments : k => v if try(v.transit_gateway_default_route_table_association, var.enable_default_route_table_association) != true
+  }
+
+  # Create association if it was not set already by aws_ec2_transit_gateway_vpc_attachment resource
+  transit_gateway_attachment_id  = aws_ec2_transit_gateway_vpc_attachment.this[each.key].id
+  transit_gateway_route_table_id = aws_ec2_transit_gateway_route_table.this.id
+}
+
+resource "aws_ec2_transit_gateway_route_table_propagation" "this" {
+  for_each = {
+    for k, v in var.vpc_attachments : k => v if try(v.transit_gateway_default_route_table_propagation, var.enable_default_route_table_propagation) != true
+  }
+
+  # Create association if it was not set already by aws_ec2_transit_gateway_vpc_attachment resource
+  transit_gateway_attachment_id  = aws_ec2_transit_gateway_vpc_attachment.this[each.key].id
+  transit_gateway_route_table_id = aws_ec2_transit_gateway_route_table.this.id
+}
+
+resource "aws_route" "this" {
+  for_each = { for x in local.vpc_route_table_destination_cidr : x.rtb_id => {
+    cidr = x.cidr,
+  } }
+
+  route_table_id              = each.key
+  destination_cidr_block      = try(each.value.ipv6_support, false) ? null : each.value["cidr"]
+  destination_ipv6_cidr_block = try(each.value.ipv6_support, false) ? each.value["cidr"] : null
+  transit_gateway_id          = var.transit_gateway_id
+}
diff --git a/modules/route-table/outputs.tf b/modules/route-table/outputs.tf
new file mode 100644
index 0000000..ae2d072
--- /dev/null
+++ b/modules/route-table/outputs.tf
@@ -0,0 +1,57 @@
+################################################################################
+# VPC Attachment
+################################################################################
+
+output "ec2_transit_gateway_vpc_attachment_ids" {
+  description = "List of EC2 Transit Gateway VPC Attachment identifiers"
+  value       = [for k, v in aws_ec2_transit_gateway_vpc_attachment.this : v.id]
+}
+
+output "ec2_transit_gateway_vpc_attachment" {
+  description = "Map of EC2 Transit Gateway VPC Attachment attributes"
+  value       = aws_ec2_transit_gateway_vpc_attachment.this
+}
+
+################################################################################
+# Route Table / Routes
+################################################################################
+
+output "ec2_transit_gateway_route_table_id" {
+  description = "EC2 Transit Gateway Route Table identifier"
+  value       = aws_ec2_transit_gateway_route_table.this.id
+}
+
+output "ec2_transit_gateway_route_table_default_association_route_table" {
+  description = "Boolean whether this is the default association route table for the EC2 Transit Gateway"
+  value       = try(aws_ec2_transit_gateway_route_table.this.default_association_route_table, "")
+}
+
+output "ec2_transit_gateway_route_table_default_propagation_route_table" {
+  description = "Boolean whether this is the default propagation route table for the EC2 Transit Gateway"
+  value       = try(aws_ec2_transit_gateway_route_table.this.default_propagation_route_table, "")
+}
+
+output "ec2_transit_gateway_route_ids" {
+  description = "List of EC2 Transit Gateway Route Table identifier combined with destination"
+  value       = aws_ec2_transit_gateway_route.this[*].id
+}
+
+output "ec2_transit_gateway_route_table_association_ids" {
+  description = "List of EC2 Transit Gateway Route Table Association identifiers"
+  value       = [for k, v in aws_ec2_transit_gateway_route_table_association.this : v.id]
+}
+
+output "ec2_transit_gateway_route_table_association" {
+  description = "Map of EC2 Transit Gateway Route Table Association attributes"
+  value       = aws_ec2_transit_gateway_route_table_association.this
+}
+
+output "ec2_transit_gateway_route_table_propagation_ids" {
+  description = "List of EC2 Transit Gateway Route Table Propagation identifiers"
+  value       = [for k, v in aws_ec2_transit_gateway_route_table_propagation.this : v.id]
+}
+
+output "ec2_transit_gateway_route_table_propagation" {
+  description = "Map of EC2 Transit Gateway Route Table Propagation attributes"
+  value       = aws_ec2_transit_gateway_route_table_propagation.this
+}
diff --git a/modules/route-table/variables.tf b/modules/route-table/variables.tf
new file mode 100644
index 0000000..5a0f788
--- /dev/null
+++ b/modules/route-table/variables.tf
@@ -0,0 +1,75 @@
+variable "transit_gateway_id" {
+  description = "Identifier of EC2 Transit Gateway to use with the Target Gateway route table"
+  type        = string
+}
+
+variable "name" {
+  description = "Name to be used on all the resources as identifier"
+  type        = string
+  default     = ""
+}
+
+variable "tags" {
+  description = "A map of tags to add to all resources"
+  type        = map(string)
+  default     = {}
+}
+
+################################################################################
+# Transit Gateway
+################################################################################
+
+variable "enable_default_route_table_association" {
+  description = "Whether resource attachments are automatically associated with the default association route table"
+  type        = bool
+  default     = false
+}
+
+variable "enable_default_route_table_propagation" {
+  description = "Whether resource attachments automatically propagate routes to the default propagation route table"
+  type        = bool
+  default     = false
+}
+
+variable "enable_dns_support" {
+  description = "Should be true to enable DNS support in the TGW attachment"
+  type        = bool
+  default     = true
+}
+
+variable "enable_ipv6_support" {
+  description = "Should be true to enable IPv6 support in the TGW attachment"
+  type        = bool
+  default     = false
+}
+
+variable "enable_sg_referencing_support" {
+  description = "Indicates whether to enable security group referencing support"
+  type        = bool
+  default     = true
+}
+
+################################################################################
+# VPC Attachment
+################################################################################
+
+variable "vpc_attachments" {
+  description = "Maps of maps of VPC details to attach to TGW. Type 'any' to disable type validation by Terraform."
+  type        = any
+}
+
+variable "tgw_vpc_attachment_tags" {
+  description = "Additional tags for VPC attachments"
+  type        = map(string)
+  default     = {}
+}
+
+################################################################################
+# Route Table / Routes
+################################################################################
+
+variable "tgw_route_table_tags" {
+  description = "Additional tags for the TGW route table"
+  type        = map(string)
+  default     = {}
+}
diff --git a/modules/route-table/versions.tf b/modules/route-table/versions.tf
new file mode 100644
index 0000000..03533eb
--- /dev/null
+++ b/modules/route-table/versions.tf
@@ -0,0 +1,10 @@
+terraform {
+  required_version = ">= 0.13.1"
+
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = ">= 4.4"
+    }
+  }
+}