Nearly every state DOT is grappling with how to reduce traffic and carbon emissions—many states developed official , and congestion relief is often at the top of a DOT’s priority list. But a new study from Swedish researchers says that some of the most common ways to address these challenges—using only “carrots” rather than “sticks,” in the researchers’ words—may leave states struggling to achieve their goals.
traffic control
Transportation professionals call for improved standards
As the window closes for comments on the eleventh edition of the Federal Highway Administration’s Manual on Uniform Traffic Control Devices (MUTCD)—the national standard governing all traffic control devices—strong criticism of the manual is coming from industry professionals and safety advocates alike.