Submitted by Washington State Department of Transportation
Congestion-relieving tools will soon help southbound Interstate 5 travelers heading into Lacey and Olympia. As soon as Tuesday, August 18, the Washington State Department of Transportation will activate new southbound Interstate 5 ramp meters at four interchanges.
Southbound I-5 ramp meter locations
- Martin Way East
- Sleater-Kinney Road Southeast
- Pacific Avenue Southeast
- Henderson Boulevard Southeast
A fifth ramp meter will be activated towards the end of the year at the Marvin Road on-ramp to southbound I-5.
How ramp meters work
Ramp meters are traffic signals that operate according to real-time conditions on the highway and ramp. The traffic signals provide consistent gaps between vehicles, rather than multiple vehicles flooding the highway at once.
WSDOT will fine-tune ramp meter operations and closely monitor traffic at each ramp following activation. WSDOT’s goal is to balance the needs of drivers merging onto the highway with the needs of drivers already there.