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T

TA

Type Approval: The approval of mass-produced vehicles and components based on the assumption that articles built to the same specification as the prototypes tested to certain standards will continue to meet those standards

TAC

Type Approval Certificate: - used mainly for National Type Approval (NTA) purposes and sets the specification of a vehicle or vehicle part. Method open to British and other EC manufacturers, it involves Conformity Of Production (COP) inspections and manufacturers takes responsibility for issuing Certificates Of Conformity for vehicles of the same type.

TAC also used to refer to a VCA internal committee called the "Technical and Administration Co-Ordination Committee". This committee has subsequently been replaced by three co

TACHO

The scheme for approving and inspecting tachograph calibrating centres

TAG

Technical Architect Group

TAN

Traffic Area Network: Became VOSA - Vehicle & Operator Services Agency on 01 April 2003.

TAN-BS

TAN Business System: TAN's information management services

TAO

Traffic Area Office

TC

Traffic Commissioner: Independent, supported by work of TAN division

TDG

Training & Development

TDO

Temporary Duty Order

TE

Traffic Examiner: VOSA employee responsible for the front-line enforcement of safety and licensing provisions on goods and passenger vehicles.

TE160

Notification of vehicle overweight

TEMPO

The scheme for approving certain PSVs (mostly coaches) so that they can travel at speeds on some roads in Germany and France

TERO

Training and Equipment Roll out (Project)

TEST

Towards European Standards for Testing Project

TfL

Transport for London

TIR

Certification of vehicles for use under international arrangements for goods to be carried, under a custom seal, in approval.

TLO

Training Liaison Officer: The person who takes responsibility within the Agency for booking/arranging training and courses. Although this title is not used very much generally these days, it is still used by DETR. The TLO for VCA is the Executive Officer in Training Services (part of the Personnel Team)

TNA

Training Needs Analysis

TPP

Transport Policies and Programme

TPSI

Transport Planning Skills Initiative

Travelwise

The National TravelWise Association (NTWA) is a partnership of local authorities and other organisations working together to promote sustainable transport. NTWA is a network of sectors, including local authorities, health sector, academic sector and passenger transport executives working together to promote healthy and sustainable transport. NTWA aims to reduce society's dependence on car use by: raising awareness of environmental, health, economic and social effects of car use; changing attitudes towards car use; promoting more sustainable modes of travel, and lifestyles which require less travel; encouraging action to change travel behaviour and reduce unnecessary car use.

TRL

Transport Research Laboratory

TRM

Trailer Registration Mark

TSB

Technical Standards Branch

TT

Training Times - VOSA's Training Newsletter

TT26

Theory test application form

TTC

Theory Test Centre

TTP

Trusted Third Parties (relating to validating electronic signatures)

TTU

Theory Test Unit

TUS

Trade Union Side

TVTTT

Tracking Vehicles Through The Trade

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Page last updated: 20/07/2007