It is often considered by local residents to be the city's unofficial boundary, although approximately three-quarters of the Perimeter Highway actually lies in the other municipalities within the Winnipeg Metropolitan Region.

In addition to the interchange that connected to this new highway, a flyover was constructed over Saskatchewan Avenue (PR 425) and the adjacent railway crossing; and the median was closed at the entrance to Assiniboia Downs leaving only right-in/right-out access from the southbound side.

In 2018, the province announced its intention to upgrade the South Perimeter Highway to a limited-access freeway, the starting point of which was to close a number of uncontrolled median openings and accesses.

[4] This was followed by the release of a full South Perimeter Highway Design Study that proposed a set of upgrades to transform PTH 100 into a six-lane, free-flowing, limited-access freeway.

[9] Following its completion, the traffic signals at PTH 3 (McGillivray Blvd) in Oak Bluff will be replaced with an interchange,[10] a project that is currently in the planning and detailed design phase.

[14] A larger functional design study has since been commissioned to determine the final recommendations for the North Perimeter Highway, which is expected to be complete by 2025.