The Marin-Sonoma Narrows B-7 construction project continues with guard rail installation, which requires a ramp closure on SBUS-101 near Novato. The San Antonio Road on-ramp on Southbound US-101 is scheduled to be closed on Monday, Jan. 27 between 10 p.m. and 6 a.m. the next day. https://t.co/8yei2p1SLW