What happened
Albuquerque and Portland, Oregon, have added speed sensors that grant a much earlier green light to drivers traveling at or below the posted limit. The sensors detect vehicle speed and adjust traffic signals accordingly, rewarding careful drivers with reduced wait times at intersections.
Why it matters
This initiative could encourage drivers to obey speed limits, potentially improving road safety and traffic flow. By offering a tangible benefit for compliant behavior, cities may see a shift in driving habits. The approach also demonstrates a novel use of technology in urban traffic management.