Related Clues:

• Time? Real ale drinkers knocked back something for the road
• Surface material providing measure of acidity in a compound
• Jack offered coat, black one
• Dark natural pitch
• Wing requires all-round care in negotiating short runway, perhaps
• What you see on roads, eg signs for Car Park and Stop
• Before game, say, start to prepare pitch
• Check following snake that's seen on road
• Material for roads
• A compound containing phosphorus and hydrogen that's produced when oil is distilled
• Surface temperature has upset group of drinkers
• Airport runway(s)
• Protective coat in order to stop Queen's killer?
• Paving supply
• Sidewalk surface