
"paint alone doesn't work. And sure enough, moments after the crew left, before the new red paint had even dried, the Cintas truck pictured below was parked in the daylighting zone. Now imagine what happens when a little kid or even a slightly inattentive adult has the misfortune to cross in front of this truck while a driver is coming the other way?"
"Daylighting is becoming increasingly popular in Vision Zero cities across the nation as a tool for increasing visibility and safety at intersections. In particular, New York City has been a leader in installing "hardened daylighting," which installs a physical barrier, such as posts or granite blocks, to prevent vehicles from parking next to intersections. In 2024, DOT implemented hardened daylighting at nearly 300 locations."
"In the comments section, RichardC posted this, and I wanted to bring it to the attention of Streetsblog readers: NYC did an analysis of daylighting and found it's only effective when physical obstacles were placed in the daylighted space (which they term "hardened daylighting"). Just prohibiting parking didn't improve safety at all, and in some cases made it worse. They hypothesize that's because more open-feeling intersections encourage drivers to drive faster and make wider, faster turns."
Paint-only daylighting frequently fails because vehicles will park in the daylighting zone and block visibility. A parked truck in a daylighted area can hide pedestrians or cyclists from approaching drivers, preventing drivers from seeing stop signs and increasing collision risk. New York City found that daylighting improves safety only when physical barriers—such as posts or granite blocks—are installed to prevent parking. Simply prohibiting parking did not improve safety and sometimes worsened outcomes, potentially because more open-feeling intersections encourage faster driving and wider, quicker turns. NYC installed nearly 300 hardened daylighting locations in 2024.
Read at Streetsblog
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