Current Specifications

Below you will find a list of all our Live specifications with full details.

Please refer to the Specification Review area for a list of specifications currently under review.

Please click here for superseded or withdrawn specifications.

Specification Number Description Issue Date Status PDF
TOPAS 0600 Additional GuidelinesTOPAS 0600 Additional Guidelines16/11/2017Live
TOPAS 0600FTOPAS 0600E TOPAS Registration Process15/02/2024Live
TOPAS 0601ATOPAS 0601A Specification Review Process27/11/2015Live
TOPAS 2130DTOPAS 2130D Environmental Tests for Road Traffic Control Equipment03/07/2023Live
TOPAS 2500BTOPAS 2500B Specification for Traffic Signal Controllers06/07/2021Live
TOPAS 2505BTOPAS 2505B Performance Specification for Above Ground Vehicle Detector Systems for use at Traffic Signal Installations (with corrigendum 15/05/24)28/06/2021Live
TOPAS 2506ATOPAS 2506A Performance Specification for Above Ground On-Crossing Pedestrian detection Systems (with corrigendum 15/05/24)17/04/2015Live
TOPAS 2507ATOPAS 2507A Performance Specification for Kerbside Detection Systems for use with Nearside Signals and Demand Units (with corrigendum 15/5/24)17/04/2015Live
TOPAS 2508CTOPAS 2508C Performance Specification for Tactile Equipment for use at Pedestrian Crossings17/02/2020Live
TOPAS 2509BTOPAS 2509B Performance Specification for Audible Equipment for use at Pedestrian Crossings17/02/2020Live
TOPAS 2510BTOPAS 2510B Performance Specification for Rising Bollards Control Systems17/04/2023Live
TOPAS 2511ATOPAS 2511A Performance Specification for Nearside Signal and Demand Units27/03/2015Live
TOPAS 2512BTOPAS 2512B Performance Specification for Below Ground Vehicle Detection Equipment (with corrigendum 15/5/24)16/11/2017Live
TOPAS 2513ATOPAS 2513A Performance Specification for Wig Wag Signal Control Equipment27/04/2015Live
TOPAS 2514BTOPAS 2514B Performance Specification for Light Control of Tramcars02/04/2024Live
TOPAS 2515CTOPAS 2515C Performance Specification for Equipment to Detect High and Over-height Vehicles at low structures (with corrigendum 15/2/24)20/05/2021Live
TOPAS 2516DTOPAS 2516D Performance Specification for Discontinuous Variable Message Signs15/07/2021Live
TOPAS 2517CTOPAS 2517C Performance Specification for Electromechanical Message Signs11/07/2022Live
TOPAS 2522ATOPAS 2522A Remote Monitoring and Control of Traffic Control Equipment via a Telecommunications Network27/03/2015Live
TOPAS 2523BTOPAS 2523B Traffic Control Equipment Interfacing Specification17/02/2020Live
TOPAS 2540ATOPAS 2540A Performance Specification for Portable & Temporary Traffic Signalling Systems for Temporary Traffic Management (with corrigendum 30/08/23)30/08/2023Live
TOPAS 2541BTOPAS 2541B Performance Specification for Control Systems for Vehicle Activated Discontinuous Variable Messages20/01/2022Live
TOPAS 2542ATOPAS 2542A Performance Specification for Non contact pedestrian signal demand equipment01/03/2021Live
TOPAS 2543ATOPAS 2543A Performance Specification for Signal Heads15/02/2024Live
TOPAS 2544ATOPAS 2544A Performance Specification for Wait Indicator Equipment20/04/2023Live
TOPAS 2546ATOPAS 2546A Performance Specification for Passively Safe Products under BSEN 1276719/07/2023Live
TOPAS 2581ATOPAS 2581A Performance Specification for Pedestrian Countdown Units for use at Traffic Signals27/03/2015Live