Schedule: Monday, Oct. 30 through the morning of Saturday, Nov. 4
MARIN COUNTY – Caltrans is scheduled to continue a bridge preservation project in October and November in San Rafael, Mill Valley, Novato, and Corte Madera. Work will be in four locations from Monday, Oct. 30 to Friday, Nov. 3 as crews are replacing old concrete with polyester concrete in various locations throughout the county.
There will be various lane closures along Northbound US-101 near the Cal Park overhead in San Rafael on Monday, Oct. 30 through Wednesday, Nov. 1 from 11 p.m. to 8 a.m. There will be various lane closures on Southbound US-101 in the same location from 8 p.m. until 5 a.m. the next mornings.
The Northbound US-101 connector off-ramp to Bellam Boulevard/ Eastbound I-580 will be closed from 11 p.m. until 5 a.m. on those same days.
The Southbound US-101 on-ramp for Francisco Boulevard West will be closed from 8 p.m. until 5 a.m. the next mornings.
Detour for Francisco Boulevard West on-ramp
Continue Southbound Anderson Drive
Go Northbound on Bellam Boulevard
Take Northbound US-101 on-ramp from Bellam Boulevard
Get on Northbound US-101
Take the off-ramp to Second Street
Take the on-ramp to US-101 Southbound from Second Street
Take US-101 and exit on 451B and get back on Southbound US-101
Detour for NB US-101 off-ramp to Richmond Bridge/Francisco Blvd
Continue to Northbound US-101 off-ramp to Second Street
Take Second Street on-ramp to Southbound US-101
Take the off-ramp for the Richmond Bridge/Francisco Boulevard
Various lanes will be closed from Eastbound State Route 131 (Tiburon Boulevard) to Westbound SR-131 on Wednesday, Nov. 1 and Thursday, Nov. 2 from 10 p.m. until 6 a.m. the next morning. The Northbound US-101 off-ramp bus stop at Eastbound SR-131 will be closed during that same time.
There will be a lane closed on the Southbound US-101 connector off-ramp to Eastbound SR-131 from 11 p.m. until 6 a.m. At least one lane will be open for traffic.
The connector loop on-ramp to Northbound US-101 from Eastbound SR-131 will be closed on that same day from 10 p.m. until 6 a.m.
Detour for US-101 connector loop on ramp
Take on-ramp to Southbound US-101
Continue to Southbound US-101
Take the off-ramp to Eastbound Redwood Highway Frontage Road
Take the on-ramp to Northbound US-101
There will be various lane closures along Northbound and Southbound US-101 above Novato Creek in Novato on Wednesday, Nov. 1 and Thursday, Nov. 2 from 8 p.m. until 6 a.m. the next morning. At least two lanes will be open for traffic.
The Rowland Boulevard off-ramp in Novato on Southbound US-101 will be closed from 8 p.m. until 5 a.m. the next morning. The Rowland Boulevard on-ramp will be closed from 8 p.m. until 6 a.m. the next morning.
Detour for NB US-101 on-ramp for Rowland Boulevard
Travel Westbound on Rowland Boulevard
Take the on-ramp to Southbound US-101
Take the connector off-ramp to Eastbound State Route 37
Take the on-ramp to Northbound US-101
Caltrans will be working on the Tamalpais overcrossing in Corte Madera on Thursday, Nov. 2 and Friday, Nov. 3.
The on-ramp to Eastbound Tamalpais Drive on Northbound US-101 will be closed from 10 p.m. until 6 a.m. the next morning. One lane will be closed on the off-ramp to Westbound Tamalpais Drive on the same day and times. The off-ramp on US-101 Southbound to Eastbound Tamalpais Drive will be closed from 10 p.m. until 5 a.m. on the same day.
Detour for NB US-101 on ramp from Eastbound Tamalpais Drive
Go Westbound on Tamalpais Drive and take the on-ramp to Southbound US-101
Take the off-ramp to Eastbound Tiburon Boulevard
Loop onto ramp to Northbound US-101
Detour for SB US-101 on-ramp to Westbound Tamalpais Dr
Take the on-ramp to Northbound US-101
Take the off-ramp to Sir Francis Drake
Take the on-ramp onto Southbound US-101
Bus service may be affected during for the various routes.
The project is scheduled to be completed in the winter of 2023. All work depends on weather.
Changeable message and directional signs will be in place to assist motorists traveling in the area. The California Highway Patrol (CHP) will be on-site during the closures.
For real-time traffic, click on Caltrans QuickMap: http://quickmap.dot.ca.gov/
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