Last update: 09/09/2003 13:15:20
The project objectives are to:
* demonstrate the difference between the two tests and provide evidence to support the UK view that the gradual test method does not represent the worst case scenario and could, in reality, result in a greater swing out and therefore a greater pedestrian safety hazard;
* consider a compromise proposal which limits outswing for all vehicles to 600mm when measured using the gradual test. This is viewed as a fudge by the UK, who believe that the correct and only repeatable test is the steady state test;
* look at the knock on implications for shorter vehicles 10 to 12m, these are also required to comply with the turning circle requirements; and
* model outswings with 15, 10 and 12 metre vehicles.
The results will form the UK proposal to the commission and aid the decision process to maintain and improve levels of safety.
The project considered the predicted turning circles for three types of Bus/Coach against the requirements in European Community Directive 96/53/EC and UN/ECE Regulation 36.
The vehicles included in this study were:
* 10m midi bus;
* 12m single deck bus; and
* 15m luxury coach.
The prediction was generated using an add-on to AutoCAD called AutoTrack. This program models the steering geometry of traditional designs as well as vehicles having electronically steered rear axles.
Parsons Brinckerhoff Limited
4 Roger Street, London, WC1N 2JX
+44 (0)20 7242 2898
Cost to the Department: £3,550.00
Actual start date: 18 August 2000
Actual completion date: 31 January 2001
HHI43044/1/3. Comparison of turning circle requirements
Author: Parsons Brinckerhoff Ltd
Publication date: 01/11/2000
Source: Contact: firstname.lastname@example.org