I can’t top Washcycle’s coverage so: https://www.thewashcycle.com/2013/05/boston-bike-crash-study-shows-drivers-mostly-to-blame-solution-helmet-law.html

Biking in Baltimore
I can’t top Washcycle’s coverage so: https://www.thewashcycle.com/2013/05/boston-bike-crash-study-shows-drivers-mostly-to-blame-solution-helmet-law.html