The arrangement is now mostly 4x3x3x3 through the section with the switchable carriageway, with variations in the width of the outer carriageways as ramps enter and exit the freeway. In 2007, major changes to the Military Road overpass have occurred with an extra three ramps added, and two extra lanes on the connecting Gore Hill freeway at the northern end (part of the Lane Cove Tunnel project). The overpass where these five ramps originate has been widened for an attempt to channel all the traffic.