A Group Of Virginia State Lawmakers Are Calling On Congress To Find More Money To Improve Safety Along Interstate 81. Several State Lawmakers Recently Sent A Letter To Virginia’s Congressional Delegation Calling For Additional Federal Funding. The Highway Is A Major Artery That Is Vital To The State’s Economy, Stretching 325 Miles Along The Western Part Of The State And Heavily Used By Tractor-Trailers. There Are More Than 2,000 Crashes On The Road Each Year, With More Than A Quarter Involving Heavy Trucks.