Creating Safe Road Ecosystems

This article—the last in a series examining how intelligent transport systems can become part of the Vision Zero road-safety solution—explores the contribution of the physical space to the safe design and use of road transport systems.

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Figure 1 – Designing and Maintaining a Safe System - Interdependent Elements

Armour Road Complete Street - Figure 2

Figure 2 - A “pop-up” demonstration project as part of a public involvement campaign supporting implementation of the Armour Road Complete Street Plan (North Kansas City, Missouri, United States). Phase 1 improvements have now been constructed, and since completion no serious injury or fatal crashes have occurred.12


Figure 3 - Energy-absorbing barrier terminal (photo: courtesy of Highway Care)

Img-Web-VZ-ITS-Article6-hump-housing-area - Figure 4

Figure 4 – speed hump on a local street in Gothenberg. Sweden


Figure 5 - WSP representation - a vision of a future street


Figure 6 - Vehicle-activated sign to encourage compliance with speed limits (photo: courtesy of Swarco)


Figure 7 - Automatic lane closure and enforcement system, United Kingdom (photo: courtesy of Redflex)

ImgWebVZITShorse buggy Figure 8

Figure 8 - A WSP project (current road - before possible design modifications) in Hutchinson, Kansas, United States noted six transportation modes at one intersection: pedestrian, cyclist, bus/transit, car/truck, tractor and horse & buggy (horse-drawn carriage).


Jay Aber
Senior Traffic Engineer
United States
Scott Benjamin
Technical Director, Intelligent Transport
Mary Haverland
Technical Executive, Planning and Mobility
Robert Swears
Technical Principal, Road Safety Engineering
New Zealand
Fergus Tate
Technical Director, Transport
New Zealand

Ian Patey
Head of Profession, Intelligent Transport
United Kingdom

Lucy Wickham
Senior Technical Director, Operations and Safety, Intelligent Transport
United Kingdom