Related Clues:

• Business not strong, but one wants it to be green
• Signal of everyone staying at home?
• Few vehicles about, but this will control them
• Amber can go red when you're in full flow?
• Vehicle flow controller
• 1 across is one part of this system for releasing jaguars, for example, by remote control
• Bring in people illegally on plane taking off from Capital - some people will see red when they see this
• Amber stops 26 across
• The Buick stops here presumably for Amber
• It can be red, yellow or green
• It may be red, yellow or green (2 words)
• *It's constantly changing
• Gives the right to drive trade that's insignificant starting off
• One of The Greens giving the go-ahead, as the amount of vehicles on the road isn't heavy
• Gives the go ahead for illegal trade with 13 across