Specifications

This booklet is for people with specific responsibility for portable vehicular signals at street works
and road works. Sites with alternate one-way vehicular flows are referred to as ‘shuttle’ working.
For current information about traffic control at street works and road works, including health and
safety issues, you, or your supervisor, should refer to Chapter 8 of the Traffic Signs Manual and to
Safety at Street Works and Road Works: A Code of Practice.* For convenience, in this booklet these
will be referred to as ‘Chapter 8’ and ‘the Code of Practice’ respectively.
*Text in blue ink shows matters that may need to be referred to your supervisor.