Minimal traffic and relatively few lights for this area - especially for the length of this ride, with a nice range of straights and curves, most roads are in good condition, and attractive sights along the way. Barre and Petersham center are good stopping points. The Winsor Dam, Quabbin Tower, Enfield Lookout and Goodnow Dyke (all on one loop at the South end of the Quabbin Reservoir, off Route 9 between Belchertown and Ware) is well-worth the detour. Also, check out the Wachusett Reservoir Dam in Clinton near the start/finish of the ride - it was hand built over a hundred years ago.
Larry in MA