South Lake Tahoe, CA- Pioneer Trail will be closed between Tamarack Ave. and Blackwood Rd. Wednesday, October 2 from 8:00 AM to 6:30 PM for pothole repairs. Detour routes will be available along Blackwood and Tamarack. Motorists should expect delays when traveling in this area. Ski Run Blvd. will remain open during this period and may also be used as a detour route.