Covers University of Colorado research on safety benefits of protected bike lanes across 12 US metros.
- protected bike lanes improve safety for cyclists and drivers alike
- 44% reduction in deaths
- 50% reduction in injuries
- painted bike lanes provide no safety benefits
- sharrows actually reduced safety for bikers
Some standouts in terms of reductions in fatality rates over the 13 year period
| City | Fatality reduction |
|---|---|
| Portland | 75.0% |
| Seattle | 60.6% |
| San Francisco | 49.3% |
| Denver | 40.3% |
| Chicago | 38.2% |
Key quote …
After analyzing traffic crash data over a 13-year period in areas with separated bike lanes on city streets, researches (sic) estimated that having a protected bike facility in a city would result in 44 percent fewer deaths and 50 percent fewer serous injuries than an average city.
Source
Separated Bike Lanes Means Safer Streets, Study Says, 2019