Category Archives: uncategorized

“Findability” and road design standards

I have just published some notes on “side friction”, which you can download (for example) from Academia. The document has a “discussion” section which in part looks at how current design standards fail their users. Examples of these failures include … Continue reading

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Road design and older drivers

There used to be a saying that road designs were a function of the road, the vehicle and the driver. It now appears that there are different types of driver, and some standards are appearing which suggest different values for … Continue reading

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ARRB resources

The ARRB is the Australian Road Research Board. Its website says that it “exists to serve the research needs of its Members, and maintain its reputation as a national interest, applied research organisation. Hence, our vision is born: to deliver … Continue reading

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London – Doubtful project development procedures

On the 7th April 2017 the Independent newspaper reported on what it described as Dame Margaret Hodge’s “damning” independent review of the London Garden Bridge project. This project, as London’s official website says: “….is a proposed footbridge and public garden … Continue reading

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Road design standards

A new version of the “Road design standards” document has just been made available. It covers 79 countries, 7 multi-country standards and 3 special topics. For more details visit the Road Design Standards website.

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Ireland and document libraries

Ireland’s “Transport Infrastructure Ireland (TII) “is responsible for managing and improving the country’s national road and light rail networks”. TII has just (June 2016) launched a publications website, which offers access to documents such as standard cross-sections. The country’s Department … Continue reading

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New urban road cross-sections tool

Abu Dhabi’s Urban Planning Council has made available online a very useful tool for planning the cross-sections of urban roads. The Abu Dhabi Urban Street and Utility Design Tool is available in French, English and Arabic.

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New way of reducing train delays

Following a series of complaints about massive delays in their train services, a UK company has come up with a new way of solving the problem – cancel some of the services. If the idea catches on rail services may … Continue reading

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Minimum horizontal radius (again)

I recently posted another update to my technical note on minimum horizontal radius (you can download a copy from Academia (here) and from ResearchGate (here)). Afterwards I came across a presentation by Dr. John Rolt, given in 2013 (?), on … Continue reading

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Simplification of standards (4) primary and local documents

In 2011 Los Angeles County, USA published the “Model streets design manual” (ref. 2206). The document is worth reading in itself. But in terms of the simplification of its standards the website (here) gives an interesting explanation of its purpose:

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