f.
Yellow – Double‘ Waved’: Great danger. Slow down considerably. Be prepared to suddenly change from the projected racing line or take other evasive action including stopping if necessary. No overtaking.
g. Yellow with Red Stripes – Stationary: Slippery surface ahead. h. Yellow with Red Stripes –‘ Waved’: Slippery surface imminent. i.
j.
k.
l.
m.
Green –‘ Waved’: All clear at the end of a danger area controlled by yellow Signals. Also used to signify the start of a formation lap and shown at all posts during first lap of each Practice session and during each formation lap.
Red: Immediately cease driving at racing speed and proceed slowly without overtaking and with maximum caution to pits or start line obeying Marshal’ s instructions and or Signals and being prepared to stop should the Track be blocked.
Black with Orange disc displayed with the Competitor’ s number: Notification of apparent mechanical failure or of a fire which might not be obvious to the Driver. The Vehicle concerned must call at its pit for repairs on the next lap.
Black and White Rectangular split diagonally and displayed with the Competitor’ s number: A warning to the Driver that their driving conduct is suspect and they may be shown a black Signal on further reports.
Black displayed with the Competitor’ s number: The Driver must stop at their pit on the next lap of receiving the Signal and report to the Clerk of the Course. A penalty of Disqualification may be enforced by display of the Black Signal.
n. Black and White Chequered- End of Race or Practice.
o. Hazard Area Board which will be displayed as a warning of a hazard that was not present when the Practice or Race started.
p. SC Board will be displayed in the event of the Safety Car being deployed. q.
A Full Course Yellow panel will be displayed in the event of Full Course Yellows being deployed
1.8. At an incident where the Track is obstructed or Marshals are working at the trackside the following Signals will be used:
a. A‘ waved’ Yellow Signal before a double‘ waved’ Yellow Signal. b. A double‘ waved’ Yellow immediately preceding the incident. c. A‘ waved’ Green immediately after the incident. d.
If the incident is well off the Track and marshals are not working at the trackside the incident may be indicated by a single‘ waved’ yellow followed by a‘ waved’ green or by a Hazard Area board.
1.9. The Code 60 Signal( purple) may be brought into operation to neutralise a Race at the sole decision of the Clerk of the Course provided that all Marshals Posts in use are in communication with Race Control its use will have been confirmed in the Official Documents and its operation in accordance with Arts. 3 of this Appendix 8 and explained in the Drivers briefing.
1.10. Overtaking or not slowing down is an offence from the point of passing the Yellow Signal( s) until the Green Signal is passed.
1.11. If a hazard has been indicated by Yellow Signals as above the Signals may be withdrawn even though the hazard remains. It will then be indicated by a Hazard Area board at the Marshals Post preceding the hazard. It is then the Competitor’ s responsibility to take appropriate care.
1.12. When a Race is stopped by the Red Signal the method of re-starting or deciding the result will be in accordance with Arts. 9.1. b – c and Art. 9.2 of App. 6 to this Chapter.
Motorsport UK 2025 National Competition Rules Version 11
Chapter 12- Appendix 8- Signals by Flags and Light Panels 415