Tractionnaire

1) New fangled (Franglais) term for hauliers providing traction only (ie hauling only other firms' trailers).

Traction

1) (1) Grip produced by tyre on road/surface. Essential for forward progress and stability of vehicle. For extra traction, goods vehicles often have twin drive axles. (2) Colloquialism for the provision of haulage with a tractive unit only (ie pulling client's semi-trailers).

Tracking (or tracing) system

1) Tracking by means of electronic communications systems and satellite tracking to identify location of goods and/or vehicles (in logistics may extend from tracing products from manufacturing source to final consumer, to determining the precise location of a road or rail vehicle).

Track access grant

1) Government scheme to provide funds in support of a switch from road to rail. Specifically this grant covers up to 100 per cent of the track charges imposed by the rail track owners Railtrack. Provided for under the Railways Act 1993. See also Freight facilities grant, Section 8 grant and PACT.

TR

1) Nationality symbol for Turkey - to be shown on the rear of vehicles from that country.

TPWS

1) Train protection and warning system. Advanced system to prevent trains passing signals set at red for danger. Using trackside sensors that act like a trip wire, detects when a train is travelling too fast to stop at a red danger signal and automatically applies the brakes. See also SPAD, ATP and ETCS.