DIFF Subgroup
G08G 1/08 according to detected number or speed of vehicles
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Traffic control systems for road vehicles > Controlling traffic signals > according to detected number or speed of vehicles
CPC:
Traffic control systems for road vehicles (arrangement of road signs or traffic signals E01F9/00 ) > Controlling traffic signals > according to detected number or speed of vehicles
No child classifications to compare. This is a leaf node in both IPC and CPC.