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.

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)

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).

Ian Patey
United Kingdom

Lucy Wickham
United Kingdom