In Northern Ireland, the A7 is a major trunk road running 15.0 miles (24.1 km) from Downpatrick, through Crossgar and Saintfield, to Carryduff.

[1] The road is standard single-carriageway throughout most of its length, with two short sections of climbing lanes (approx 500m each).

The first of these runs northbound, starting about two miles north of Downpatrick at the former site of the Abbey Lodge Hotel.

The second runs southbound and begins about a mile south of Saintfield near Doran's Rock.

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