The rule will apply 30, 40 and 50 miles per hour speed limits to certain roads in Belfast, Coalisland, Galbally, Limavady, Newtownabbey, Whitehead, and Moneyslane.
The Department has made a Statutory Rule entitled The Roads (Speed Limit) (No. 2) Order (Northern Ireland) 2015 (S.R. 2015 No. 295) which will come into operation on 28 July 2015.