Publications
Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Assessment of the relationship between 30 kph-zones and the surrounding major roads on traffic safety
2001 (English)Report (Other (popular science, discussion, etc.))
Abstract [sv]

Traffic calming, especially on major roads, is under increasing discussion in

Germany. The discussion concerns environmental aspects and the increasing

numbers of children fatalities. Previous research has focused on speed,

accident rates etc in the area where traffic calming measures were

implemented or on that area together with surrounding streets. The research

presented in this paper tries to differentiate between the two types of

areas. Three working hypotheses were drawn up to get a clear procedure and to

deduct the necessary evaluation criteria. The hypotheses are: 1) a large

proportion of non compliance with traffic regulations such as speed limits

within the 30 kph-zones is related to a similar behaviour at the surrounding

major roads; 2) the speed limit of 30 kph in the zones is supported usually

by structural measures. This could cause drivers feel more aggressive on the

30 kph-zones roads as well as on the surrounding major roads. This in turn

could lead to a more accidents and more severe accidents; and 3) the safety

of cyclists and pedestrians decreases on surrounding major roads due to the

changed traffic behaviour of drivers. The gain of traffic safety in the 30

kph-zones has to be compared with the loss of safety on the major roads.

FolIowing before and after measurements in the town of Darmstad and analyses

of 1160 accidents all of these hypotheses is falsified. Speed levels are the

same. Frequency and severity of accidents has been reduced in the surrounding

areas. However, negative effects within the traffic calming areas compensate

this effect. It is concluded that structural changes in order to reduce speed

level may give a false impression of increased safety. Junctions, especially

at the exits of the 30 kph zones, must be designed carefully.

Place, publisher, year, edition, pages
Statens väg- och transportforskningsinstitut., VTI konferens , 2001.
Series
VTI konferens, ISSN 1104-7267
Keyword [en]
English, Sweden, Conference, South Africa, Speed Limit, Traffic control, Speed control, Residential area, Driver, Offence, Speed, Aggression, Layout, Junction, Before and after study, Accident rate, Severity, Germany
Research subject
Road: Traffic safety and accidents, Road: Junctions and traffic safety; Road: Traffic safety and accidents, Road: Geometric design and traffic safety
Identifiers
URN: urn:nbn:se:vti:diva-4957OAI: oai:DiVA.org:vti-4957DiVA: diva2:673786
Available from: 2013-12-03 Created: 2013-12-03 Last updated: 2013-12-03

Open Access in DiVA

No full text

Search outside of DiVA

GoogleGoogle Scholar

Total: 39 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf