Common ravens are usually rather shy birds around their nests and avoid nesting too near human activity. We here report the use of overpasses along heavily traveled Interstate Highway 84 in Idaho and Utah for nest placement. Nests are within 6 m of passing vehicles.
White, Clayton M. and Tanner-White, Merle
"Use of interstate highway overpasses and billboards for nesting by the common raven (Corvus corax),"
Great Basin Naturalist: Vol. 48
, Article 10.
Available at: http://scholarsarchive.byu.edu/gbn/vol48/iss1/10