Livermore, CA Sidewalk & Pedestrian Rules: Obstruction Rules (2026)

180 requires that all work or use of a street be planned and executed to cause the least interference with safe and convenient public travel, and it flatly bars closing a street or denying its use to the general public at any time without the written permission of the city engineer; the section also protects private property from unreasonable interference without the owner's consent. 010(B), which sweeps in excavating or disturbing a street, erecting or maintaining a post, sign, pole, fence, guardrail, wall, loading platform, seasonal display, or other structure on, over or under the street, and placing or leaving rubbish, brush, earth or other material on the street.

210: lights must be placed and maintained at each end of the excavation or obstruction, at intervals no greater than 50 feet, from half an hour before sunset to half an hour after sunrise, and reflectorized warning signs conforming to state standards must be placed 200 and 400 feet from the obstruction. 200 further requires the permittee to provide lights, barriers, warning signs, patrols or watchmen sufficient to protect the traveling public, and lets the city engineer add or relocate safeguards, or cancel the permit and restore the street, at the permittee's expense if safeguards are found inadequate.