Specifications

ST900 Family General Handbook
667/HB/32900/000 Issue 11 Page 183 of 265
the same dummy phase in each stage, this phase would be specified for reversion
allowing the next all-red stage in cyclic order to become active.
22.4 Vehicle Actuated Parallel Stage Streaming Facilities
Each stream will move around its own stages according to its own on street
demands and extensions independently of any other stream.
There is an Arterial Reversion facility for each stream. If there is no demand or
extension present for any phase in the stream, and no demand for any stage in the
stream, an Arterial demand for a phase or stage in the stream will be inserted (if
configured).