traffic furniture
n.— «CSC began to chase, but the pursuit took time and distance. Intermittent rain, narrow roads, and what the riders call “traffic furniture”—roundabouts, speed bumps, and road dividers—held up the riders.» —“Steegmans Wins Stage 2 of Tour” by Gerald Churchill Roadcycling.com July 9, 2007. (source: Double-Tongued Dictionary)