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PCE
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DIFF Subgroup
G08G 1/07

Controlling traffic signals

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Traffic control systems for road vehicles > Controlling traffic signals

CPC:

Traffic control systems for road vehicles (arrangement of road signs or traffic signals E01F9/00 ) > Controlling traffic signals

Of 5 combined children, 4 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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  • G08G 1/075 CPC only CPC only
  • G08G 1/08 according to detected number or speed of vehicles IPC+CPC Available in IPC and CPC
  • G08G 1/085 using a free-running cyclic timer IPC+CPC Available in IPC and CPC
  • G08G 1/087 Override of traffic control, e.g. by signal transmitted by an emergency vehicle since 1990 IPC+CPC Available in IPC and CPC