Blue Services
Even the blue service-advisory signs in California once had button reflectors. A few of them are still around, such as this one on Interstate 80 eastbound near California 4 in Hercules.
This photo was taken in May 2009.
Even the blue service-advisory signs in California once had button reflectors. A few of them are still around, such as this one on Interstate 80 eastbound near California 4 in Hercules.
This photo was taken in May 2009.