Boston drivers, in spite of their reputation, are actually used to dealing with cyclists and don't usually try to kill us.

In S. Maine (Boston suburb), there's a lot of 35-45mph double lane rural roads with little or no shoulders. Last year when I started bike commuting, I was pleasantly surprised by how courteous most drivers are. Especially the ones in pickup trucks. Also, ME just passed a series of cyclist-related laws last year, like 3-ft passing margin, cars allowed over double yellow to pass, clarified lane positioning for things like left turns at lights, etc. One of the biggest drawbacks are the roads in Spring, with all the frost heaves and resulting potholes.

But of course we visited Amsterdam a couple years ago, and compared to the cycling infrastructure over there, the US just flat out sucks.