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2002/116/1 Control unit, Pedestrian Group Type PX-2, metal / plastic / electronic components, made by the Department of Motor Transport, New South Wales, Australia, 1967. Click to enlarge.

Pedestrian traffic control unit

Made
The relay-logic controller represents the most advanced state of automatic traffic control devices used in NSW prior to the introduction (in 1973-74) of the world's first microprocessor based traffic controllers.

The first signalling devices to control street traffic were installed in London in 1868. A semaphore arm was employed to direct traffic during the day and red and green illuminated gas lamps were used at night. Both systems were manually operated by a police officer.

In NSW the …

Summary

Object No.

2002/116/1

Object Statement

Control unit, Pedestrian Group Type PX-2, metal / plastic / electronic components, made by the Department of Motor Transport, New South Wales, Australia, 1967

Physical Description

The PX-2 is a control housed in a metal rack designed to be secured in a traffic control box that you see by the side of the road near traffic control lights. It has relay-logic electronic circuits that control the duration and sequence of light signal events that occur at a pedestrian crossing. There is a black painted metal plate and dials at the front of the unit that permit the adjustment of times dependent upon the size of the intersection at which it is to be installed. There is a large multi-core cable which runs from the unit to a connector.

Marks

On front: 'DEPARTMENT OF MOTOR TRANSPORT N.S.W./PEDESTRIAN GROUP TYPE PX2 SERIAL NO. 10'. White paper sticker inscribed 'CHECKED O.K./B.S.D.E'.

Dimensions

Height

115 mm

Width

295 mm

Production

Notes

Designed and made by the Roads & Traffic Authority, New South Wales, Australia.

History

Notes

Used to control the time and sequence of events at a pedestrian crossing. Owned by the Roads & Traffic Authority.

Source

Credit Line

Gift of the Roads and Traffic Authority, 2002

Acquisition Date

17 September 2002

Cite this Object

Harvard

Pedestrian traffic control unit 2021, Museum of Applied Arts & Sciences, accessed 27 October 2021, <https://ma.as/11133>

Wikipedia

{{cite web |url=https://ma.as/11133 |title=Pedestrian traffic control unit |author=Museum of Applied Arts & Sciences |access-date=27 October 2021 |publisher=Museum of Applied Arts & Sciences, Australia}}