A dual carriageway (BrE) or a divided highway (AmE) is a class of highway with carriageways for traffic travelling in opposite directions separated by...

American English: tree belt, parkway, or other regional variants). A dual carriageway road (North American English: divided highway) has two roadways separated...

single carriageways than for dual carriageways due to the lack of separation between traffic moving in opposing directions. The term single carriageway is...

the Rosbrien interchange in Limerick the route continues as the N18 dual carriageway to Galway, Shannon and Ennis. The road passes through the midlands...

A High-quality dual carriageway (HQDC) is a road category in Ireland. It is defined as an all-purpose dual carriageway road type built to near motorway...

road in Scotland, between Perth and Inverness from a single carriageway to a dual carriageway. According to this plan, the road will be widened from one...

known by various terms worldwide, including limited-access highway, dual-carriageway, expressway, and partial controlled-access highway, is a highway or...

European route S-410 Highway or dual carriageway route S-410 Highway or dual carriageway route S-410 Highway or dual carriageway route S-410a Toll road S-420...

single carriageway for 10 miles (16 km) until the dual carriageway just east of Witney with a grade-separated junction. The dual carriageway finishes...

dual carriageway from Yarnbury Castle and across the Wylye valley, meeting the A36 at Deptford. There is then another section of single carriageway road...