Public Utilities Code – PUC § 7901
PUC § 7901. Right of way along roads, waters, and highways
Telegraph or telephone corporations may construct lines of telegraph or telephone lines along and upon any public road or highway, along or across any of the waters or lands within this State, and may erect poles, posts, piers, or abutments for supporting the insulators, wires, and other necessary fixtures of their lines, in such manner and at such points as not to incommode the public use of the road or highway or interrupt the navigation of the waters.
Enacted Stats 1951 ch 764.