sentences:  SR 16 was re-routed off of Broadway Avenue onto the by-pass.Consequently, SR 661 was extended a short distance to the south by following Broadway Avenue west to Main Street, and then heading south along the former routing of SR 37 to the interchange with the SR 16/SR 37 freeway that currently marks the southern terminus of SR 661.On the northern end, SR 661 was re-routed off of Granville Road onto Blackjack Road heading east to a new terminus at SR 13 in the southern end of Mount Vernon in 1983.