The following is information taken from a Caltrans press release. Please make a note of this important transportation information.
Corte Madera/Tiburon/Mill Valley - Caltrans has started electrical work which is a part of the northbound US-101 Ramp Metering Project at the eastbound and westbound Tiburon Blvd on ramps and the Sir Francis Drake on ramp to northbound US-101 in Corte Madera, Mill Valley and Tiburon.
The work started Sunday, July 7 and will continue until Saturday, July 20. For worker and public safety, some temporary lane and ramp closures will be required.
The closure schedule is as follows:
- Sir Francis Drake On Ramp to Northbound US-101 – one lane closed Sunday, July 7 until Saturday, July 13
- Sunday through Monday morning – 9:00 PM – 6:00 AM
- Monday through Friday – 10:00 PM – 6:00 AM
- Sir Francis Drake on Ramp to northbound US-101 – closed Sunday, July 14 until Saturday, July 20
- Sunday through Monday morning – 9:00 PM – 6:00 AM
- Monday through Friday – 10:00 PM – 6:00 AM
- Eastbound and Westbound Tiburon Blvd On Ramp to Northbound US-101 – closed Sunday, July 14 until Saturday, July 20

- Sunday through Friday morning – 9:00 PM – 6:00 AM
- Friday night through Saturday – 9:00 PM – 7:00 AM
Please drive cautiously through the construction zone, leaving a safe traveling distance between your vehicle and the vehicle ahead of you. Please #BeWorkZoneAlert.
For real-time traffic, click-on Caltrans QuickMap at: http://quickmap.dot.ca.gov/ Or follow us on Twitter at: https://twitter.com/caltransd4