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Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

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Traffic mortality and the role of minor roads.

Frank van Langevelde¹, Coby van Dooremalen, Catharinus F Jaarsma

¹Resource Ecology Group, Wageningen University, P.O. Box 47, 6700 AA Wageningen, The Netherlands. frank.vanlangevelde@wur.nl

Journal of Environmental Management

|December 15, 2007

Summary

Minor roads significantly impact wildlife through habitat loss and mortality, contrary to popular belief. Integrating minor and major roads into traffic planning, using "traffic-calmed areas," can improve wildlife movement and survival.

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Area of Science:

Wildlife ecology
Road ecology
Conservation biology

Background:

Roads are a major source of wildlife mortality, habitat fragmentation, and disturbance.
Impacts are often studied and mitigated on major roads, overlooking smaller roads.
A misconception exists that most wildlife-vehicle collisions occur on major roads.

Purpose of the Study:

To challenge the focus on major roads and highlight the significant impact of minor roads on wildlife.
To investigate the role of minor roads in habitat destruction, noise pollution, and traffic mortality.
To propose a new strategy for road mitigation integrating both major and minor roads.

Main Methods:

Analysis of traffic-related badger (Meles meles) mortality data in The Netherlands.
Comparative assessment of wildlife impacts (habitat, noise, mortality) between major and minor roads.
Conceptual development of "traffic-calmed areas" for wildlife conservation.

Main Results:

Traffic mortality for badgers was found to be higher on minor roads.
Minor roads contribute substantially to habitat destruction and noise pollution affecting wildlife.
Integrating minor and major roads in traffic planning enhances mitigation effectiveness.

Conclusions:

Minor roads pose a greater threat to wildlife than commonly perceived.
A "traffic-calmed area" strategy can reduce wildlife movement limitations.
Further research is needed to determine optimal sizes for traffic-calmed areas to support viable animal populations.