Utilising the GO bit to manage critical internal queuing in a SCOOT network – Andrew Gellnick – Balfour Beatty

In a SCOOT network with short link lengths, such as a gyratory, queues can form which threaten to lock up the network. These may occur due to downstream congestion.  One way to prevent this is to hold traffic back with gating or signal plans, but this can delay more traffic than necessary. There is also a facility within SCOOT to change parameters and plans using the ASCC command, but this can react rather late in some circumstances.  This paper describes the use of the GO bit within a SCOOT plan along with changes to the controller stage change conditioning, to effect a hurry call triggered by loop call/cancel detector inputs. 

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