Belfast to Dungannon
Completed in the 1960s and not changed much since, the Northern Ireland M1 is a mostly two-lane affair that stretches to nearly 40 miles - the longest stretch of road of this standard in the province.
One hard shoulder's enough for one carriageway, right? Well...not according to one long-lost design standard.
A new set of Ringways pages are now online, looking at unbuilt motorways and road projects west of London.
London's Ultra Low Emission Zone has just expanded to cover the whole inner city, and across the UK, other cities are implementing their own Clean Air Zones. Is this the future?
Road signs are colour coded for different types of road, but in Devon there are more colours than anywhere else. What do Devon's colourful signs mean?
Making road signs is a tricky business, but fortunately the professionals who design them get it right. Usually.