Road Information

Interstate 405 in Washington    
Total Mileage in State: 30 miles
Northern End: At I-5/WA 525, in Lynnwood
Southern End: At I-5/WA 518, in Tukwila
Mileage covered in Photos: 30 miles
Counties covered in Photos: Snohomish, King
Major Junctions in Photos: I-90, in Bellevue
I-5, in Tukwila
Control Cities in Photos: Lynnwood, Bothell, Kirkland, Bellvue, Renton, Tukwila

Southbound

   

Merging onto Interstate 405 South via Exit 182 on Interstate 5 South in Lynnwood. (Photo taken 9/21/19).

The ramp's two lanes prepare to pass under Interstate 5 here, as they curve to the southeast. (Photo taken 9/21/19).

View on Interstate 405 South at mile marker 30. (Photo taken 9/21/19).

Traffic from Interstate 5 North merges into Interstate 405 South ahead on the right. (Photo taken 9/21/19).

Interstate 405 South reassurance shield. (Photo taken 9/21/19).

The speed limit on Interstate 405 South starts out at 60 mph for all traffic. (Photo taken 9/21/19).

This overhead signage at mile marker 29 shows that the left lane will become an electronically tolled express lane ahead, as well as the current toll rates to the exits listed. (Photo taken 9/21/19).

Take any of the next 3 exits to Bothell. (Photo taken 9/21/19).

Mile marker 28 on Interstate 405 South in Snohomish County. (Photo taken 9/21/19).

Traffic in the express toll lane to WA 527 North (Exit 26) should move right at this time, as this overhead signage shows. (Photo taken 9/21/19).

Interstate 405 South at Exit 26: WA 527 North - Bothell / Mill Creek (Photo taken 9/21/19).

The express lane is tolled via Good To Go! electronic transponders or pay by mail. If you don't have a Good To Go! transponder and pay by mail, the toll rate is higher. (Photo taken 9/21/19).

Express toll lane traffic to Exits 24, 23B-A, 22, or 20 should exit the express lane and move right at this point. (Photo taken 9/21/19).

Another Interstate 405 South reassurance shield at mile marker 26. (Photo taken 9/21/19).

This sign shows that the shoulder on Interstate 405 South is authorized for use Monday thru Friday from 6 AM to 9 AM for certain high occupancy vehicles like buses. (Photo taken 9/21/19).

View on Interstate 405 South at mile marker 25. (Photo taken 9/21/19).

Interstate 405 South as it enters King County. (Photo taken 9/21/19).

Interstate 405 South at Exit 24: NE 195th St / Beardslee Blvd (Photo taken 9/21/19).

Take Exit 23B to the University of Washington Bothell and Cascadia College. (Photo taken 9/21/19).

Interstate 405 South at Exit 23B: WA 522 West - Kenmore (Photo taken 9/21/19).

Interstate 405 South at Exit 23A: WA 522 East / To US 2 - Woodinville (Photo taken 9/21/19).

Trucks over 10,000 lbs GVW (except for buses) are prohibited in the express toll lane at all times. (Photo taken 9/21/19).

Interstate 405 South at Exit 22: NE 160th St (Photo taken 9/21/19).

Overhead signage showing the current toll rates in the express lane to the exits listed. (Photo taken 9/21/19).

Interstate 405 South at mile marker 22. (Photo taken 9/21/19).

Take Exit 20 to Lake Washington Institute of Technology. (Photo taken 9/21/19).

View on Interstate 405 South at mile marker 21, as it enters Kirkland. Also at this point, the express lanes provide a direct exit to NE 128th St on the left. (Photo taken 9/21/19).

Interstate 405 South at Exit 20: NE 124th St (Photo taken 9/21/19).

Express lane traffic to Exits 18 and 17 must exit the express lane at this point and make its way to the right. (Photo taken 9/21/19).

Take Exit 17 to Northwest University. (Photo taken 9/21/19).

Interstate 405 South at Exit 18: NE 85th St / Kirkland (Photo taken 9/21/19).

Interstate 405 South at Exit 17: NE 70th Place (Photo taken 9/21/19).

This overhead sign dynamically displays the current estimated travel times to Seattle via WA 520 and Interstate 90. (Photo taken 9/21/19).

Interstate 405 South reassurance shield. (Photo taken 9/21/19).

Express lane traffic to Exits 13B and 13A must exit the express lane here and begin to make its way to the right. (Photo taken 9/21/19).

The speed limit on Interstate 405 South remains 60 mph for all traffic. (Photo taken 9/21/19).

Wide loads over 8 1/2 feet in width are prohibited on WA 520 West. (Photo taken 9/21/19).

Interstate 405 South at Exit 14: WA 520 - Redmond / Seattle (Photo taken 9/21/19).

Overhead mileage sign listing the distances to the three upcoming exits to Bellevue. (Photo taken 9/21/19).

Take Exit 13A to the Meydenbauer Center, Bellevue Square, and the Bellevue Arts Museum. (Photo taken 9/21/19).

Interstate 405 South at Exit 13B: NE 8th St (Photo taken 9/21/19).

The express toll lane provides a direct exit on the left to NE 6th St here. (Photo taken 9/21/19).

Interstate 405 South at Exit 13A: NE 4th St (Photo taken 9/21/19).

Interstate 405 South approaching Exit 11 - 1 1/2 miles. (Photo taken 9/21/19).

Interstate 405 South at Exit 12: SE 8th St (Photo taken 9/21/19).

Beyond Exit 11, the express toll lane will become a regular HOV lane. Only buses and vehicles with 2 or more occupants are permitted to use the HOV lane from 5 AM to 7 PM. (Photo taken 9/21/19).

Take Exit 11 and follow Interstate 90 West to Mercer Island. (Photo taken 9/21/19).

Interstate 405 South at Exit 11: Interstate 90 - Spokane / Seattle (Photo taken 9/21/19).

A closer view of the ramp to Interstate 90 via Exit 11 in Bellevue. (Photo taken 9/21/19).

Interstate 405 South at Exit 10: Coal Creek Pkwy / Factoria Blvd SE (Photo taken 9/21/19).

Non-cutout Interstate 405 South reassurance shield. (Photo taken 9/21/19).

Interstate 405 South at Exit 9: Lake Washington Blvd / Newcastle (Photo taken 9/21/19).

Again, the left lane on Interstate 405 South at this point is no longer tolled but is a HOV lane open only to buses and carpools of two or more persons from 5 AM to 7 PM. (Photo taken 9/21/19).

Mileage sign on Interstate 405 South. It's 4 miles to Renton, 8 miles to Tukwila, and 31 miles to Tacoma. (Photo taken 9/21/19).

Interstate 405 South at Exit 7: NE 44th St (Photo taken 9/21/19).

Interstate 405 South at Exit 6: NE 30th St (Photo taken 9/21/19).

Take Exit 5 to North Southport Dr. (Photo taken 9/21/19).

Interstate 405 South at Exit 5: WA 900 East - Park Ave North / Sunset Blvd NE (Photo taken 9/21/19).

Take Exit 4 to Renton Technical College. (Photo taken 9/21/19).

Interstate 405 South at Exit 4: WA 169 South / WA 900 West - Renton / Enumclaw (Photo taken 9/21/19).

The speed limit on Interstate 405 South remains 60 mph for all traffic. (Photo taken 9/21/19).

Take Exit 2A to Kent. (Photo taken 9/21/19).

Interstate 405 South at Exit 3: WA 515 South - Talbot Rd South (Photo taken 9/21/19).

Interstate 405 South at Exit 2: WA 167 South - Auburn / Rainier Ave South (Photo taken 9/21/19).

The HOV lane provides a direct exit to WA 167 South, seen here on the left ahead. At this point, Interstate 405 South curves to the west to begin heading toward Interstate 5 in Tukwila. (Photo taken 9/21/19).

Interstate 405 South reassurance shield posted on the center barrier. (Photo taken 9/21/19).

Take Exit 1 to Tukwila Station. (Photo taken 9/21/19).

Interstate 405 South at Exit 1: WA 181 South - Tukwila / West Valley Hwy (Photo taken 9/21/19).

Interstate 405 South approaching its southern terminus at the junction of Interstate 5. The HOV lane of I-405 South will become the ramp to the HOV lane on I-5 North. (Photo taken 9/21/19).

Interstate 405 South at Exit: Interstate 5 North - Seattle / Southcenter Blvd (Photo taken 9/21/19).

The ramp splits into separate ramps to Interstate 5 North and Southcenter Blvd here. (Photo taken 9/21/19).

Interstate 405 South at Exit: Interstate 5 South - Portland (Photo taken 9/21/19).

The speed limit remains 60 mph as Interstate 405 reaches its southern terminus and becomes WA 518 West. (Photo taken 9/21/19).

WA 518 provides easy access to Sea-Tac Airport via WA 99 South. (Photo taken 9/21/19).