Sentence:  Each morning, still-groggy early-bird park-goers stumble from the parking-lot <WSD>tram</WSD> and head straight to La Brea's cafeteria-style Express for a caffeinated pick-me-up or a meal to start the day. 
Meaning of the word marked with <WSD> tags:  A train with wheels that runs on a road; a trackless train.