Wikipedia:WikiProject U.S. Roads/Washington/Former routings in Seattle

These are shown in the 1960 traffic report and USGS topos.

PSH 1

• Tacoma: Tacoma Way, 26th, G??, Puyallup, Eells
• Seattle: SR 99, Pacific, East Marginal, SR 99
  • formerly 4th, Westlake, 7th

PSH 1 Duwamish Connection

• (PSH 2 at MLK) Boeing Access (PSH 1 at East Marginal)

SSH 1J

• (PSH 2 at 4th) Madison, 23rd, SR 513, Sand Point Way, 125th, Roosevelt Way (PSH 1 at SR 99)

PSH 2

• (PSH 1 at SR 99) 7th, Westlake, 4th, Airport, Dearborn, Rainier?, I-90

PSH 2 Bothell Branch

• (PSH 2 at Westlake or 4th) ???, Fairview, Eastlake, Roosevelt, SR 522

PSH 2 Renton Branch

• (PSH 2 at I-90) Rainier, MLK, SR 900

PSH 5

• (PSH 2 at MLK) Rainier

PSH 14

• Tacoma: (PSH 1 at Tacoma Way) Pacific, Stadium?, Division, 6th, Tacoma Narrows Bridge