National Highways traffic officers, previously Highways Agency traffic officer (HATO), are employed by the National Highways.
A typical National Highways traffic officer's vehicle
A road block on the M40 motorway implemented by a traffic officer.
TETRA
Videos
Terrestrial Trunked Radio, a European standard for a trunked radio system, is a professional mobile radio and two-way transceiver specification. TETRA was specifically designed for use by government agencies, emergency services, for public safety networks, rail transport staff for train radios, transport services and the military. TETRA is the European version of trunked radio, similar to Project 25.
Cell initial selection
Cell improvable
Cell usable
Cell relinquishable