Class C: Informative Signs

Informative signs guide drivers along routes and provide useful information about destinations, facilities, and road classifications.

• Shape: Rectangular.
• Colouring: Green background for national highways (e.g. A4, A1), Blue background for municipal/freeways, Brown background for tourist destinations.
• Symbols: Filling station (petrol pump), Hospital (H or red cross), Breakdown bay (phone/wrench).

Class D: Traffic Signals (Robots)

Traffic light signals regulate the flow of opposing traffic streams at busy intersections:

• Solid RED: Stop behind the stop line.
• Solid AMBER (Yellow): Stop before the stop line unless you are so close that stopping abruptly would cause a rear-end collision.
• Solid GREEN: Proceed straight or turn if the intersection is clear and pedestrians have finished crossing.
• FLASHING AMBER: Robot is in fallback/uncontrolled mode. Treat the intersection as an uncontrolled junction and give way to traffic from your RIGHT.
• Green Filter Arrow: You have exclusive right-of-way to turn in the direction of the arrow regardless of the main round light.