Superseded Specifications

Below you will find a list of all of our Superseded or Withdrawn Specifications.

Please click here for the Current specifications.

Specification Number Description Issue Date Status PDF
TOPAS 0600ETOPAS 0600E TOPAS Registration Process06/12/2022Superseded
TOPAS 2130CTOPAS 2130C Environmental Tests for Road Traffic Control Equipment07/02/2023Superseded
TOPAS 2500ATOPAS 2500A Specification for Traffic Signal Controller15/04/2015Superseded
TOPAS 2502BTOPAS 2502B Performance Specification for Portable Traffic Signal Control Equipment for use at Roadworks28/04/2015Superseded
TOPAS 2503BTOPAS 2503B Performance Specification for Pedestrian Facilities at Temporary Standalone Traffic Signals23/03/2015Superseded
TOPAS 2504ATOPAS 2504A Performance Specification for Vehicle Detection Equipment for Vehicle Actuated Portable Traffic Signals17/04/2015Superseded
TOPAS 2505ATOPAS 2505A Performance Specification for Above Ground Vehicle Detector Systems for use at Permanent Traffic Signal Installations17/04/2015Superseded
TOPAS 2508ATOPAS 2508A Peformance Specification for Tactile Equipment for use at Pedestrian Crossings17/04/2015Superseded
TOPAS 2508BTOPAS 2508B Performance Specification for Tactile Equipment for use at pedestrian crossings19/06/2018Superseded
TOPAS 2509ATOPAS 2509A Peformance Specification for Audible Equipment for use at Pedestrian Crossings17/04/2015Superseded
TOPAS 2510ATOPAS 2510A Performance Specification for Rising Bollards Control Systems17/04/2015Superseded
TOPAS 2512ATOPAS 2512A Performance Specification for Below Ground Vehicle Detection Equipment27/03/2015Superseded
TOPAS 2515ATOPAS 2515A Performance Specification for Equipment to Detect High and Overheight Vehicles at Low Structures27/03/2015Superseded
TOPAS 2515BTOPAS 2515B Performance Specification for Equipment to Detect High and Overheight Vehicles at Low Structures14/02/2019Superseded
TOPAS 2516BTOPAS 2516B Performance Specification for DiscontinuousVariable Message Signs27/03/2015Superseded
TOPAS 2516CTOPAS 2516C Performance Specification for Discontinuous Variable Message Signs20/03/2020Superseded
TOPAS 2517ATOPAS 2517A Performance Specification for Electromechanical Variable Message Signs27/03/2015Superseded
TOPAS 2517BTOPAS 2517B Performance Specification for Electromechanical Variable Message Signs22/05/2019Superseded
TOPAS 2520ATOPAS 2520A Performance Specification for Uni-Drectional Logic Equipment27/03/2015Withdrawn
TOPAS 2523ATOPAS 2523A Traffic Control Equipment Interfacing Specification27/03/2015Superseded
TOPAS 2537ATOPAS 2537A Performance Specification for Portable Traffic Signal Control Equipment with Pedestrian Facilities for use at Roadworks26/03/2015Superseded
TOPAS 2538ATOPAS 2538A Performance Specification for Portable Traffic Signal Control Equipment for a Stand-alone Pedestrian Facility26/03/2015Superseded
TOPAS 2541ATOPAS 2541A Performance Specification for Control Systems for Vehicle Activated Discontinuous Variable Messages25/08/2020Superseded