Traffic Alerts

CURRENT TRAFFIC ALERTS DUE TO CONSTRUCTION
(See map below)
Updated 10/18/19

1.  Atlas 236 – 55th Avenue W and 236th Street SW

Expect lane shifts on 56th Avenue W and 236th St SW.  Sidewalk will be closed on eastside of 56th Ave. W between 236th St. SW and 235th St. SW during the day.  Also expect lane delays on 55th Ave. W.

2.  Main Street Revitalization – 236th Street SW and 58th Avenue W

Paving on the Main Street project was wrapped-up by last Friday afternoon, October 11. This concluded the asphalt paving activity for this year. The final lift of pavement will be placed next spring when the weather warms up. 

The contractor striped new traffic lanes Monday, October 14 and traffic is shifted to the center of the street, leaving the sides of the street open for utility companies (Comcast, Wave, Frontier and SnoPUD) to complete their undergrounding work this winter. 

The final large utility vault placement is scheduled for Monday, October 21 and will close 56th Avenue W between 236th Street SW and 237th Street SW during daytime hours. 

Lane shifts will occur for several following days but both directions of 56th Avenue W will be open the remainder of the week. No further roadway closures by the city’s contractor are anticipated until spring activities.

3.  Sound Transit

WSDOT’s I‑5 Right-of-Way:  Tree removal and preliminary grading activity are ongoing. Lane shifts and reductions in the number of I‑5 travel lanes are scheduled during overnight periods. Overnight closures of the on and off-ramps at 220th St SW are possible throughout this week, including both weekend and weekday nights.

Private Parcels:  Some demolition work of single family properties throughout Mountlake Terrace is ongoing with related minor material and equipment hauling occurring. Onsite site construction at the former Roger’s Market site continues.

City Roadways:  Temporary lane shifts may be encountered near Sound Transit activities at single family home demolition and the former Roger’s Market site.