Transportation and traffic accident n. airfield n. airplane n. airport n. automobile  n. bicycle n. boat n. bus n. car n. crosswalk n. lane n. motorcycle n. parking lot n. port n. rocket n. sailing-boat n. [1] sailing-boat n. [2] ship n. [1] ship n. [2] sidewalk n. spaceship n. station n. taxi n. traffic n. traffic jam n. traffic lights n. train n. truck n. vehicle n.