Interstate 505 links Interstate 80 in Vacaville with Interstate 5 near Dunnigan via Winters. This route was originally part of proposed Interstate 5W but today is part of the most direct route from Interstate 5 in Northern California to Interstate 80 west to the San Francisco Bay Area. This reassurance shield is located after Exit 29 in rural Yolo County. Photo taken 03/31/05.
Routing
Interstate 505 connects Interstate 5 near Dunnigan with Interstate 80 near Vacaville via Winters. Originally conceived as part of Interstate 5W in 1964, Interstate 505 is a fast route from the San Francisco Bay Area to the Pacific Northwest.
History
Most of Interstate 505 in Solano County was built in 1974, with the Interstate 80-505 interchange built in 1968. Interstate 505 in Yolo County was mostly constructed as a two-lane highway in 1959, and it was expanded to four lanes in 1980. The northernmost section was constructed in 1977, with the Interstate 5-505 interchange built in 1968.
Interstate 505 signage as seen near the Vacaville Outlets. Note the control cities of Redding and Winters for northbound Interstate 505. Photos taken 10/24/00.
This Interstate 505 shield is located in Vacaville near the southern terminus adjacent to the outlet mall. Photo taken 09/22/00.
This shield on eastbound Road 12A in Yolo County points the way to Interstate 505 north. Note that the "505" is written in Highway Gothic Series E font, which is fairly uncommon in California for stand alone shields. Photo taken 12/29/04.
At the same interchange (Road 12A) is this freeway entrance shield assembly for Interstate 505 south. Photo taken 12/29/04.
