EAST GREENBUSH, this town is one of the fastest-growing suburban towns east of Albany. Once a rural settlement along the Columbia Turnpike, it has become a bedroom community for Albany. Prior to construction of the Massachusetts Turnpike and the Berkshire Spur of the New York State Thruway, Columbia Turnpike–now part of U.S. Route 20–was the major highway connecting the capital District with New England. As a result, the typical assortment of highway businesses sprouted along the road. Among the most important are: