I-81 is one of the top eight truck routes in the U.S. In the state of Virginia, I-81 traverses 325.51 miles from Tennessee in the south to the West Virginia border in the north and passes through 12 counties. The highway was designed for a 15 percent truck volume, however trucks now account for somewhere between 20 to 40 percent of the total traffic volume. In 2001, the Virginia Department of Transportation (VDOT) developed a list of key improvements for I-81. Some of the key findings of the study were: (1) 2004 traffic volumes will nearly double by 2035; (2) Nearly the entire corridor needs additional capacity by 2035; (3) Estimates of future traffic volume do not support building two additional lanes in each direction for use only by trucks. Such a design would provide too much roadway capacity for trucks and not enough capacity for cars; and (4) Up to 37% of I-81 requires one additional lane in each direction, while much of the remainder may need up to two additional lanes in each direction to handle future traffic.
Evaluation of Alternative Truck Lane Management Strategies Along a Section of I-81
2010
99 pages
Report
Keine Angabe
Englisch
Transportation & Traffic Planning , Transportation , Road Transportation , Highway transportation , Lane usage , Transportation management , Trucks , Traffic volume , Roads , Travel demand , Traffic engineering , Benefit cost analysis , Traffic safety , Traffic models , Traffic capacity , Urban areas , Virginia , Alternative truck lane management , Interstate highway 81 , Intelligent Transportation Systems(ITS)
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