 On September 8, 1963, the line was split in northern Williamsburg, traveling on Bedford Avenue northbound and Driggs Avenue southbound, after the streets were turned into one-way avenues.In fall 1964, the northbound B61 was rerouted in Williamsburg from Kent Avenue to Bedford Avenue farther inland between the Brooklyn Navy Yard and Division Avenue, to improve passenger safety.The route was extended to Queens Plaza in 1994 as part of the Metropolitan Transportation Authority's Fare Deal program.