Speed limit
2025-10-26 → 2026-10-10
- https://highways.dot.gov/sites/fhwa.dot.gov/files/Speed-Limit-Setting-Handbook.pdf—speed limit setting handbook
- Get to work faster with lower speed limits? by Justine Underhill
- Falls Church’s 20 is Plenty—most residential streets received 20 mph limits; the city distinguished streets needing only signage from those needing geometric changes or VDOT review. An implementation example for Traffic calming, not a measured safety outcome.