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Recommended Driving Routes: During 2 pm-6 pm, when the dog leg is open, we recommend the following routes to increase traffic flow on Welch and Pasteur: northbound Sand Hill Road traffic should use Oak; southbound Sand Hill Road traffic should use Pasteur. Dynamic message boards will be used at these intersections to help inform recommended traffic flow.
August 2011-September 2013
One of the first steps in the effort to expand Packard Children's Hospital and rebuild Stanford Hospital includes utility work and surface improvements. The Welch Road Utility Project includes: replacing utility services and information technology infrastructure along Welch and Quarry Roads to serve the new hospital facilities once they are built; the widening of Welch Road; replacement of sidewalks, curbs and gutters; planting of new street trees and installation of planted medians and street lighting.
Note: Access to the Emergency Room will be maintained at all times.
This week's activities:
What to expect this weekend (1/27-1/29)
Hours of Construction Activity: 7 am - 3:30 pm
Work will occur over the weekend to prep the City of Palo Alto gas line work in the Quarry/Welch intersection. The City of Palo Alto will also continue its gas line work in the Quarry Extension. This work is scheduled to be completed by Monday, 1/30.
Weekday work (1/30-2/3)
Hours of Construction Activity: 7 am - 3:30 pm
Welch Rd is now a one-lane, one-way road going West from Quarry to Pasteur Drive. This change will be in effect for two years. We thank you for your patience regarding this significant change and ask that you please adjust your driving route accordingly. South Pasteur Drive is now a two-way two-lane road. North Pasteur Drive is closed between Blake Wilbur Drive and Sand Hill Road.
K-Rail will remain in place on the inboard side of Quarry Rd (between Welch and continuing up to the Quarry Extension near the turn to the Emergency Department) in order to facilitate ongoing utility work. This reduces Quarry to a two lane, two direction road during this time. Access will be maintained to the Emergency Department at all times.
Work on the Stanford University Lake Water project will begin on Wednesday, 2/1 in the L-3 parking lot (corner of Quarry at Welch). This work will temporarily displace some 'A' permit parking in L-3. Additional 'A' permit parking will be available at the Andronico's site at the Stanford Shopping Center during this time. The Lake Water project is estimated to be completed 2/10.
On Thursday, 2/2, water will be turned off at the Falk Building on the Stanford University Medical Center campus. The shut off will begin on 2/2 at 8 pm and will be turned back on at 5 am on 2/3. The City must perform this work in order to replace existing water pipe with new water pipe located in the street area.This water shutdown will be performed by the City of Palo Alto as per their city standards. There will be no water available in the building during this time. No other medical center buildings will be affected.
Utility work will continue on Welch and Quarry Roads.
Hardscape demolition of the parking lot behind the Blake Wilbur Clinic will continue.
Please be cautious of construction trucks entering the road. Access to the Emergency Room will be maintained at all times.
What to expect next weekend (2/3-2/5)
Hours of Construction Activity: 8 am - 5 pm
Work may occur in the L-3 (Quarry) parking lot. | 
