Artist's rendering of occupant's view from vehicle on bridge with California Department of Transportation ST-10 scenic railing
California Department of Transportation
<a rel="nofollow" class="external free" href="https://dot.ca.gov/-/media/dot-media/programs/design/documents/caltrans-bridge-rails-and-barriers-a11y.pdf">https://dot.ca.gov/-/media/dot-media/programs/design/documents/caltrans-bridge-rails-and-barriers-a11y.pdf</a>