West Marin commuters can expect road delays through mid to late November as the county improves roadway resilience, safety, and traffic flow ahead of the winter wet season. The one-way traffic light on Sir Francis Drake Boulevard east of Olema Hill is allowing crews to repair a 75-foot section of retaining wall damaged by 2023 storms. Meanwhile, crews are redesigning the intersection at Nicasio Valley Road and Point Reyes-Petaluma Road with a new turn pocket…