The M7-M12 Integration Project comprises widening 26kms of the M7 Motorway from 2 lanes to the 3 lanes in each direction between the M5 motorway and Richmond Road; a new interchange between the new M12 motorway and the M7 motorway consisting of a total of seven new bridges; and the Elizabeth Drive connection consisting of new on/off ramps between Elizabeth Drive and the M7, upgrades to Elizabeth Drive, realignment of Wallgrove and Cecil Roads, and three new signalized intersections.