Maximum Signal In-Vehicle Spécifications

1An Introduction to the Use of Portable Vehicular SignalsMarch 20087611 Introduction to the Use of Portable Vehicular Signals v4_2.indd 1 27/11/201

What you need to do Use only equipment of a type approved (a legal requirement) – see page 3. All equipment on site can have problems, particularly f

Adjusting the timers Look at the selection switches, or menu display/keypad, for the All-Red and Maximum Green timers for each approach. This

Datum point Datum point (Note: The Chapter 8 triangular warning signs, guarding on the footway and possible secondary signals have been omitted for c

Adjusting the red timers Measure the distance between ‘WAIT HERE’ signs, or the ‘WAIT HERE’ sign and datum point, (see page 7), and use the tabl

Adjusting the Maximum Green settings Measure the distance between ‘WAIT HERE’ signs, or the ‘WAIT HERE’ sign and datum point, (see page 7), and use

Setting up – general signing Check that full Chapter 8 signing is provided and checked regularly. Log any problems and remedial action taken. Make sur

4 On approach to signals 1 2 3In side road Also variant – ‘4-WAY CONTROL’ Setting up – ‘WAIT HERE’ signs Position the signals where needed. For cle

Setting up – ‘RAMP’ signs Many portable signals are radio controlled, but some are connected by cable. If the signals are on the near side of the roa

Setting up the MVDs The MVDs work best if they are mounted on signals on the near side of the road. A vehicle approaching the MVD, within the range

Initial set-up of the equipment MCE 0111, TR 0111 TR 2502 1 Point signals away from the road so they Align the signals and MVDs – see

This booklet is for people with specific responsibility for portable vehicular signals at street works and road works. Sites with alternate one-way veh

What happens next? MCE 0111, TR 0111 Signals start by showing red. It is recommended that, when it is safe to do so – working on one approach at a ti

Trouble-shooting guide Problem Possible cause Remedy Very long vehicular queues Maximum Green setting needs Se

Printed in the United Kingdom for TSO J002593116 C15 04/12 Trouble-shooting guide (continued) Problem Possible cause Remedy Lo

All enquiries about this publication should be sent in writing to: Department for Transport Great Minster House 33 Horseferry Road London SW

7611 Introduction to the Use of Portable Vehicular Signals v4_2.indd 3 27/11/2013 14:56An Introduction to the Use of Portable Vehicular SignalsLo

Department for Transport Great Minster House 33 Horseferry Road London SW1P 4DR Web site www.gov.uk/dft© Queen’s Printer and Controller of Her Majesty

1IntroductionThis booklet does not cover portable pedestrian crossing facilities. See Traffic Advisory Leaflet 3/11: Signal-controlled pedestrian facili

The system Signal heads: the Code of Practice says that consideration should be given to providing two signal heads on each approach. However,

What to do first The portable signal controller and detector equipment must be of a type approved on behalf of the Secretary of State for Tran

Vehicle Actuation (VA) operation Signal control should always be vehicle actuated (VA) unless agreed otherwise, in writing, by the traffic authority.

Vehicle Actuation (VA) On VA, if there are no approaching vehicles, the signals will revert to red in both directions. The first vehicle to arrive will