NORTHAMPTON STUFF - The day after The Hot Chocolate Run shut down downtown for a little while, Main Street got shut down again for the installation of the long-awaited Northampton Bike Trail bridge alongside the often-hit-by-18-wheelers train bridge. (Here's a weird quality cellphone picture taken standing in the middle of the closed street.) If you're interested, you can take a look at a slightly outdated map (PDF) outlining bike path routes.