Monthly Archives: August 2017

More notes on road design standards (1)

Many countries publish “standards“, notes, advice and requirements related to the geometric design of roads. But as I have argued before (see for example here) there are too many of these standards. What makes life more difficult for engineers is … Continue reading

Posted in comparative geometrics, highway design standards, road design, uncategorized | Tagged | Leave a comment

Chile’s Road design manual updated

Chile’s Roads Department, part of the Ministry of Public Works, has just updated its Manual de Carreteras. The documents can  be downloaded free of charge from (but you need to register and log in).

Posted in uncategorized | Leave a comment

60 mile/hour speed limit?

Around four years ago I wrote that, according to an article in the UK’s Daily Mail (see here), the British government had plans to increase the speed limit on motorways from 70 mile/hr to 80 mile/hr (from 112 km/hr to … Continue reading

Posted in uncategorized | Leave a comment