Cambridge police take account of bicycle-vs-auto interactions and use that in deciding what intersections are more or less safe. Call the police, yes, even though you're not sure if you were hurt, and even though you don't have contact information for the auto.
Re: Always always always ...
Cambridge police take account of bicycle-vs-auto interactions and use that in deciding what intersections are more or less safe. Call the police, yes, even though you're not sure if you were hurt, and even though you don't have contact information for the auto.