12 weeks of SR 99 lane closures begin in March

by | Feb 19, 2015

Washington Department of Transportation crews will be working on the future north portal of the State Route 99 tunnel and will need to close one lane in both directions of SR 99/Aurora Avenue North between Valley Street and the Aurora Bridge. The closures begin March 7 and will last about 12 weeks.

Two lanes will be open in each direction while crews install foundations for four large sign structures in the median and curb areas.

Work is planned in two phases. View a map of the work locations.

  • Phase 1 (approximately 8 weeks): one lane closed in both directions for median work — One lane in the northbound and southbound directions will be closed around-the-clock while crews install four sign foundations in the median
  • Phase 2 (approximately 4 weeks): one lane closed in southbound direction for curb work — One southbound lane will be closed around-the-clock while crews install two sign foundations in the southbound curb area

Because northbound and southbound buses will travel – and stop – in the outside lanes with other vehicle traffic, trips may take longer than normal. During both phases the southbound bus-only lane restriction will be lifted.

In an effort to balance the needs of drivers and residents, some work will occur during nighttime and weekend hours. An additional lane may close at night and during some weekend days.

The long-term lane closures are expected to cause additional backups on SR 99 for vehicles and buses, particularly during peak commute times. WSDOT is encouraging drivers and bus riders to:

Questions? Contact us at [email protected] or 1-888-AWV-LINE (298-5463) or visit us at www.AlaskanWayViaduct.org.

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