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CNG Home | Site map | Planning | Designing | Evaluating and monitoring | Trials | Case studies


A number of case studies, projects and studies are presented here to support the design guidance.

We encourage you to provide case studies to the Waka Kotahi NZ Transport Agency for inclusion on this website so that success and lessons can be shared. Get in touch with us by emailing

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USA Portland - Neighbourhood greenways

Portland has an extensive neighbourhood greenway network. In Portland the posted speed limit for these neighbourhood greenways is generally 20 mph (32 km/h) and they strive for an average volume of less than 1500 vehicles per day (vpd).

Coloured surfacing study in New Zealand

A study into the impact of marked and coloured cycle lanes concluded that where a cycle lane was coloured, drivers appeared to be more aware of cyclists as they gave cyclists more space. Cyclists also appeared to feel safer as they were found to ride further from the kerb.