SAN DIEGO (FOX 5/KUSI) -- Authorities have closed westbound State Route 905 at Britannia Boulevard near Exit 6 due to a fatal accident investigation Tuesday afternoon. The closure was reported around 2:30 p.m., according to SigAlert. Traffic being redirected due to a fatal collision investigation on westbound SR-905 at Britannia Boulevard. (SkyFOX) Caltrans crews are on scene to fix about 100 feet of guardrail damage, while traffic is being redirected. Drivers can expect delays up to 30 minutes, according to SigAlert. This story is still developing. Check for updates.