- London – Doubtful project development procedures
- Notes on “design speed”
- Inter-vehicle gap
- Turkish delight
- UK design guideline TD 9/93 – time for a rethink ?
- Parameters (3) vehicle type
- Parameters (2) road type
- Criticism of current standards
- Parameters (1) – fundamental parameters
- Road design standards
- 121,204 hits
Category Archives: uncategorized
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
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.
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
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.
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
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
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:
Argentina’s University of San Juan has a special School of Engineering of Mountain Roads (Escuela de Ingeniería de Caminos de Montaña, EICAM). Applications for the School’s doctorate in mountain road engineering close in a couple of days. I believe India … Continue reading
In August 2014 the Streetsblog website published an article (here) which began: Ding, dong…LOS is dead. At least as far as the state of California is concerned.