Washington

3 interstates and 3 loops and spurs · 757 miles · 331 stops

• I-5 276 miles in Washington · 160 stops · 2 likely clean California → Oregon → Washington SouthboundNorthbound
• I-82 139 miles in Washington · 39 stops Washington SouthboundNorthbound
• I-90 296 miles in Washington · 96 stops Washington → Idaho → Montana → Wyoming → South Dakota → Minnesota → Wisconsin → Illinois → Indiana → Ohio → Pennsylvania → New York → Massachusetts WestboundEastbound

Portland area

• I-205 9 miles in Washington · 6 stops Oregon → Washington SouthboundNorthbound

Seattle area

• I-405 26 miles in Washington · 20 stops Washington SouthboundNorthbound

Tri-Cities area

• I-182 11 miles in Washington · 10 stops Washington WestboundEastbound

Towns with the most stops