Dive summary:
- A Penn State University traffic researcher challenges the conventional wisdom that says cities can move traffic better with one-way streets, suggesting a different way to measure.
- Rather than using traffic flow to judge how well roads are working, Vikash Gayah suggests what he calls "trip-serving capacity," which takes into account the fact that cars make longer trips in one-way grids in order to reach their destinations, even though they may be traveling faster.
- For short-distance efficiency, Gayah says, two-way street stretches with no left turns allowed can have numerous benefits in navigation, safety and economics.
From the article:
"You can move more vehicles through a roadway, but if they have to travel a longer distance, in the end, you have actually fewer people being able to get to their destination and get off the road." ...
