ssh 1j was replaced by sr 513 during the 1964 state highway renumbering and codified in 1970 on its original route, connecting downtown seattle to montlake and lake city. in 1971, sr 513 was shortened to by moving its southern terminus to an interchange with sr 520 in montlake and its northern terminus to an interchange with i-5 at 145th street. the highway was further shortened, to its present length of , in 1991 by moving its northern terminus from i-5 to magnuson park at the site of the former naval station puget sound.