Trump administration reverses long-held guidance on 'road diets' for traffic safety
- The Trump administration's revised guidance now discourages road diet projects aimed at reducing lane capacity for traffic safety, despite past recognition of their benefits in reducing crashes.
- In Kansas City, road diets have been implemented to improve safety, leading to a 19% drop in injury crashes in Philadelphia and over a 70% decrease in speeding incidents in Portland.
- While cities like Philadelphia and Portland reported significant reductions in injury crashes after road diets, opposition continues from some policymakers and advocacy groups.
- Concerns about road diets affecting emergency response times were addressed by University of Iowa researchers, who reported no noticeable change in response times with these implementations.
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69 Articles

Trump’s transportation officials buck a long-held practice of using ‘road diets’ to slow speeders
A stylist was just starting her shift at a salon in Kansas City, Missouri, when a car smashed through the storefront window and landed in the waiting area a few feet away. Read more...

Trump's transportation officials buck a long-held practice of using 'road diets' to slow speeders
Removing lanes to slow down speeding drivers is a long-embraced strategy for improving safety on city streets. The practice known as road diets has proven to reduce accidents. Now President Donald Trump's administration is heading in another direction. The Transportation…
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