Missouri DOT is removing 70 variable advisory speed limit signs on I-270 and I-255 mentioned in the October 14th edition of SSTI News. Although a recent report indicated that similar signs have been having a positive effect on congestion in the Minneapolis area despite drivers’ general disregard for the speed limits, MoDOT has decided to remove the signs to lower operating costs and reduce confusion.
speed limit
Signs alert drivers: Slow down; there’s congestion ahead
Drivers headed for traffic jams largely disregard advisory variable speed limit (VSL) signs intended to slow traffic in advance of downstream congestion. However, while drivers are not adjusting their speeds to comply with the limits, the signs do appear to be having a positive effect on congestion.
Britain to raise motorway speed limit to 80mph
Britain plans to raise the speed limit on the country’s motorway system from 70mph to 80mph. The government expects the move to increase economic efficiency and commuter satisfaction through the reduction of journey times. Studies …