BUS TRAFFIC AND ROAD HUMPS
BUSSTRAFIK OCH GUPP
Road humps for speed reduction can be either short or long. Long humps are more effective in reducing speed and are also safer for cyclists. Noise caused by braking before and acceleration after the hump can be reduced by installing a series of humps. Traffic will not go through residential streets to save time if road humps are installed. The "30-hump" is specially designed to reduce speed to 30 kph as above this speed it causes great discomfort. Installation of humps on roads used by buses creates problems, as standing passengers experience greater discomfort. Humps can be built at stops so that buses can bypass them, or can be replaced by depressions which a bus can straddle but not a car. The difficulty with depressions is that they must be drained; they can also be a skid risk in winter. Tests on degree of discomfort in buses on roads with and without "30-humps" show that speeds above 20 kph cause quite high discomfort. These should not therefore be installed on roads where buses must drive faster than 20 kph. (TRRL)
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Corporate Authors:
Lund University of Technology, Sweden
Institution for Traffic Engineering, Fack 725
S-220 07 Lund 7, Sweden -
Authors:
- GAARDER, P
- Publication Date: 1982-8
Language
- Swedish
Media Info
- Features: Figures; Tables;
- Pagination: 11 p.
Subject/Index Terms
- TRT Terms: Attitudes; Buses; Comfort; Design; Evaluation and assessment; Motor vehicles; Speed; Speed control humps; Traffic speed
- Old TRIS Terms: Raised pavements
- ITRD Terms: 2267: Attitude (psychol); 1272: Bus; 9138: Comfort; 9011: Design (overall design); 9020: Evaluation (assessment); 551: Road stud
- Subject Areas: Design; Highways; Operations and Traffic Management; Public Transportation; I73: Traffic Control;
Filing Info
- Accession Number: 00381214
- Record Type: Publication
- Source Agency: Swedish National Road and Transport Research Institute (VTI)
- Report/Paper Numbers: Monograph
- Files: ITRD, TRIS
- Created Date: Apr 30 1984 12:00AM