Continuous unobstructed sight distance needed for safe traffic operations should be provided for drivers and pedestrians at all intersections and street access drives. Fences, walls, signs or other obstructions shall not be installed on public right-of-way without prior consent from the City. Trees shall not be planted on public right-of-way without prior consent from the City Parks & Recreation Department. Anything placed or planted at or near a street intersection or driveway/alley access must meet the requirements depicted in Attachments 1 and 2(PDF, 833KB). All distances are based upon and referenced in the 2004 A.A.S.H.T.O. Policy on Geometric Design of Highways and Streets.