SR 99/Aurora Avenue North closures at a glance
- Monday, March 5 – Tuesday, March 6: Crews will close the two right lanes of southbound SR 99/Aurora Avenue North from Republican to John streets between 9 p.m. and 5 a.m. to install a concrete barrier in the right lane. The southbound exit to Denny Way will be closed while the concrete barrier is installed.
- Tuesday, March 6 – mid-April: The southbound right lane of Aurora Avenue North from Republican to John streets will close around-the-clock through mid-April. Crews will use this lane closure to install a new underground electrical vault and duct bank. Two lanes will remain open on mainline SR 99 approaching the Battery Street Tunnel.