The southern section will be widened to three lanes over the next few years.

Due to increased volume of traffic this section is being widened to three lanes.

The section between Junctions 1 and 3 was subsequently widened to three lanes in each direction.

This section of the road was straightened and widened in 1960.

However, no transit system was built, and instead sections of Route 2 were widened.

A section of the highway just east of the western terminus was widened in 2008.

The southbound section was also widened to five lanes, this being permanent.

This section was widened to a dual three-lane motorway in 1969.

Jevans also noted that the a section of the Box Hill area will be widened.

The section of road from the A1 was widened and straightened in 1969 when the cold store was built.