An explanation of the changes in road barrier specifications; Highways reports on a popular model of specialist barrier rigs
Aufsatz (Zeitschrift)
Road Trains and Off Highway Rigs
British Library Conference Proceedings | 1994
|The STEP barrier -- A better road barrier
Online Contents | 1998
|Sector report - Specialist equipment from car-derived vans to heavy-haulage rigs.
Online Contents | 2011