azurerm_route

resource "azurerm_route" "${MyResource}" {
   name = "acceptanceTestNetworkInterface1"
   resource_group_name = "\${azurerm_resource_group.test.name}"
   route_table_name = "\${azurerm_route_table.test.name}"
   address_prefix = "10.1.0.0/16"
   next_hop_type = "vnetlocal"
}