Broadway in North Haven. When Routes 5 and 22 were relocated to the new connector in 1973, SR 750 was extended further north to the new 5/22 junction. Modern Route 103 was created in 1987 from SR 750 and remains unchanged since then. Junction list References External links Conn. Rt. 103 Photo 103 Transportation in New Haven County, Connecticut Transportation in New Haven, Connecticut North Haven, Connecticut U.S. Route 5