Related Clues:

• Traffic restriction
• Liquid is poured through it, or jam
• Way staff will get round head of academy
• "King of the ___"
• Freeway, e.g
• Staff holding a course
• Pole spanning a thoroughfare
• It runs and you may follow it
• The track is wide, but not at first
• The way to conceal a switch
• Stick lying across a track
• Cross via the back entrance
• Traffic hold-up? Courage and audacity required
• Big frustration with traffic problem getting out of hand
• Parting party guests may take one for it