East Link Extension Mercer Island Station

Overnight work at West Mercer Way and 60th Avenue Southeast

Publish Date

Beginning as early as Tuesday, October 6, 9 p.m., a traction power substation (TPSS) will be delivered and installed on I-90 near the West Mercer Way westbound on-ramp and 60th Avenue Southeast. TPSS units provide electricity to the overhead wires, which power light rail vehicles. To safely complete this work, the West Mercer Way westbound on-ramp will close overnight as crews lift the TPSS unit into place. Traffic will also be reduced to one-lane alternating direction along 60th Avenue Southeast to accommodate the crane and placement.

What

Delivery of traction power substation (TPSS) on I-90.

When

Tuesday, October 6 - Wednesday, October 7, 9 p.m.-5 a.m.

Where

West Mercer Way westbound on-ramp and 60th Avenue Southeast.

More

  • No vehicle traffic on West Mercer Way westbound on-ramp, 9 p.m. - 5 a.m.
  • Traffic will be reduced to one-lane alternating direction along 60th Avenue Southeast.
  • Plan ahead, leave early, and allow extra time to reach your destination.
  • Due to inclement weather or unforeseen issues, dates and times are subject to change. 
Construction map for West Mercer Traction Power Substation overnight work, East Link Extension