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  7. 2021-02-14-101-express-update

2021-02-14-101-express-update

 

Construction Update – Week of February 14th

South of Whipple Avenue: This week, construction activities on U.S. 101 from San Antonio Road (in Palo Alto) to Whipple Avenue (in Redwood City) include variable toll message sign work and minor construction activities.


North of Whipple Avenue: This week, construction activities on U.S. 101 from Whipple Avenue to I-380 (in South San Francisco) include installation of stormwater drainage systems, permanent and temporary concrete barriers, weigh-in-motion systems for measuring vehicle weights, new electrical boxes, and guardrails; temporary restriping; concrete and barrier demolition; grading; paving; stormwater drainage system maintenance; overhead sign work; shoulder excavation; landscaping work; erosion control work; and minor construction activities.

Construction crews will also be working on the sound wall on Bayshore Boulevard (from 2nd Avenue to Dore Avenue) and near the completed sections of sound wall on Bayshore Boulevard (from Newbridge Avenue to just past Dakota Avenue and from Dore Avenue to East Poplar Avenue) in the City of San Mateo. Additional information about this work is provided below.

Most of the work will occur on the freeway lanes, shoulders, and ramps, while sound wall work will occur on city streets adjacent to U.S. 101. More information is provided below. Construction activities may occur during the day or night, and noise from construction-related sounds such as backup alarms and hammering should be anticipated.

photo of construction crews excavating in the freeway shoulder

Construction crews excavating in the freeway shoulder.

Sound Wall Work: Construction crews working on the sound wall on Bayshore Boulevard, from 2nd Avenue to Dore Avenue in the City of San Mateo, continue to implement periodic traffic control from 8:00 AM to 5:00 PM, Monday through Friday. Watch for detour signs. After 5:00 PM, the road will be restored to two-way traffic. We anticipate this section of sound wall to be rebuilt by late-February and minor construction activities such as paving near the sound wall to conclude by mid-March.

Construction crews will also be working near the completed sections of sound wall on Bayshore Boulevard (from Newbridge Avenue to just past Dakota Avenue and from Dore Avenue to East Poplar Avenue) in the City of San Mateo. This work will include minor construction activities such as paving, and may require periodic traffic control between 8:00 AM and 5:00PM, from Monday to Friday. We anticipate all sound wall-related work will conclude by mid-March. 

Nighttime Freeway Lane Closures: Nightly freeway lane closures may occur on northbound and southbound U.S. 101 from 7:00 PM to 6:30 AM, Sunday night to Saturday morning. Due to low traffic volumes, project-related traffic delays are anticipated to be minimal. Caltrans continues to monitor the flow of traffic and make adjustments, as necessary.

Freeway Ramp Closures: Temporary ramp closures may occur during the night. Ramp closures could occur in both the northbound and southbound directions of the freeway. However, consecutive interchanges for northbound and southbound ramps will not be closed at the same time.

Nighttime ramp closures: Short-term nighttime ramp closures are possible the week of February 14th  (between Sunday night and Saturday morning) in/near the cities of San Carlos, Belmont, San Mateo, Foster City, Burlingame, Millbrae, San Bruno, and South San Francisco at the following locations (listed from south to north). Changeable message signs near the ramps will have exact closure times and locations.

  •  Northbound U.S. 101, Northbound Holly Street Off-Ramp (Closures possible lasting until 8:00 AM at this location on Saturday, February 20th)
  • Southbound U.S. 101, Eastbound/Westbound Holly Street On/Off-Ramp
  • Eastbound Harbor Boulevard, Southbound U.S. 101 On-Ramp
  • Southbound U.S. 101, Eastbound/Westbound Harbor Boulevard Off-Ramp
  • Southbound U.S. 101, Eastbound/Westbound Ralston Avenue On/Off-Ramp
  • Eastbound/Westbound 3rd/4th Avenue, Northbound U.S. 101 On-Ramp
  • Northbound U.S. 101, Eastbound/Westbound 3rd Avenue Off-Ramp
  • Northbound U.S. 101, Peninsula Avenue On/Off Ramp (Closures possible lasting until 7:00 AM at this location during the week, and on Saturday, February 20th)
  • Northbound U.S. 101, Northbound Anza Boulevard On/Off-Ramp
  • Northbound U.S. 101, Northbound Broadway & Old Bayshore On/Off-Ramp (Closures possible lasting until 9:00 AM at this location on Saturday, February 20th)
  • Eastbound Millbrae Avenue, Southbound U.S. 101 On-Ramp (Closures possible lasting until 5:00 AM at this location on Saturday, February 20th)
  • Northbound U.S. 101, Eastbound/Westbound Millbrae Avenue Off-Ramp (Closures possible lasting until 5:00 AM at this location on Saturday, February 20th)
  • Southbound U.S. 101, Eastbound/Westbound Millbrae Avenue Off-Ramp
  • Westbound Millbrae Avenue, Southbound U.S. 101 On-Ramp (Closures possible lasting until 6:00 AM at this location on Saturday, February 20th)
  • Southbound U.S. 101, Southbound SFO On-Ramp
  • SFO Domestic Terminals, Southbound U.S. 101 On-Ramp
  • Westbound SFO Domestic Terminals, Northbound U.S. 101 On-Ramp
  • Airport Boulevard, Northbound U.S. 101 On-Ramp
  • Eastbound/Westbound San Bruno Avenue, Southbound U.S. 101 On-Ramp
  • Northbound U.S. 101, Eastbound San Bruno Avenue Off-Ramp
  • Eastbound/Westbound I-380, Northbound U.S. 101 Connector Ramp (Closures possible lasting until 6:00 AM at this location on Saturday, February 20th)

Nighttime ramp closures:

  • Will be displayed on changeable message signs within the construction zone
  • Will begin after 7:00 PM and reopen by 6:00 AM, unless otherwise noted above
  • Will have detour signs posted

Upcoming Construction (South of Whipple Avenue): Construction activities in the coming weeks on U.S. 101 from San Antonio Road (in Palo Alto) to Whipple Avenue (in Redwood City) will include variable toll message sign work and minor construction activities.

Upcoming Construction (North of Whipple Avenue): Construction activities in the coming weeks on U.S. 101 from Whipple Avenue to I-380 (in South San Francisco) will include continued work on the sound wall being reconstructed in the City of San Mateo; minor activities near the completed sections of sound wall in the City of San Mateo; the installation of guardrails, stormwater drainage systems, fencing, temporary loop detectors on ramps, new electrical boxes, and permanent and temporary concrete barriers; grading; paving; temporary restriping; landscaping work; erosion control work; overhead sign work; concrete and barrier demolition; stormwater drainage system maintenance; and minor construction activities.

All construction activities are subject to change without notice.

Visit our website at 101express.com for more information about the project. Follow us on Twitter @CaltransD4.

If you would like a copy of a prior construction update, please email 101express@dot.ca.gov.

If you would like a copy of a prior construction update, please email 101express@dot.ca.gov.