WORK is to start to extend the hard shoulder bus lanes along the M1 and M2.
From August 6, the Belfast-bound lane on the M1 will be lengthened by 4.6 kilometres between Lisburn services and Junction 7 at Sprucefield.
On the M2, a new 2.2 kilometres bus lane will be put in place between Junction 2 at Greencastle and Junction 1B at Duncrue.
The work also includes replacement of existing signs and additional CCTV.
The M1 and M2 approaches to Belfast are often among the most congested sections of the north's road network.
The extended bus lanes aim to further improve journey times and service reliability for bus passengers without affecting general traffic flows.
Work is planned for completion by December 2018.
Traffic management arrangements will include hard shoulder closures and temporary 50mph speed restrictions.
Some lane closures may also be necessary at off peak times.
Full details will be available at trafficwatchni.com/home.
