Washington's rail service is operated by Amtrak, the Virginia Railway Express and MARC. Washington highway traffic is among the most congested in America. It is served by Interstate 66 and Interstate 95. Construction of freeways inside the District of Columbia was blocked by environmental litigation. Some of the commuter routes in Virginia have been expanded by using [[HOT lanes]]. | Washington's rail service is operated by Amtrak, the Virginia Railway Express and MARC. Washington highway traffic is among the most congested in America. It is served by Interstate 66 and Interstate 95. Construction of freeways inside the District of Columbia was blocked by environmental litigation. Some of the commuter routes in Virginia have been expanded by using [[HOT lanes]]. |