Answer: drawbridges

AnswerCrossword Clue
DRAWBRIDGESSites of some traffic delays
DRAWBRIDGESThey're mechanically inclined
DRAWBRIDGESWhat an art engineer can do
DRAWBRIDGESDo a caricature of Oscar winner Jeff?
drawbridgesA bridge, esp. one over a castle's moat, that is hinged at one end so that it may be raised to prevent people's crossing or to allow vessels to pass under it
drawbridgesDRAWBRIDGE, a bridge that can be drawn up or let down as required