speed

More evidence that wider roads encourage speeding

By Chris McCahill Wider lanes and shoulders encourage faster driving, according to a new study published in the Journal of Transportation Engineering. Researchers from Texas A&M studied uncongested freeways in Dallas, Houston, and San Antonio. Based on more than 650,000 observations, they

Are higher highway speed limits worth it?

By Bill Holloway A recent study indicates that raising speed limits on non-limited access highways from 55 to 65 miles per hour is likely to have a negative benefit-cost ratio when crash injury and fatality costs are fully accounted for. The analysis, which focused on non-limited access highways