[bomberjet]

The proposed changes would come from reviewing the current "old" layout vs today's design standards.

Changing from cloverleafs to diamonds will eliminate weaving and provide adequate accel/decal distances.

If you've driven the new interchanges at 59N and CCW, they new lanes let you get up to speed without interacting with the mainline traffic. Having to decal on the perimeter, or accel, is the dangerous part. You never want to have slower traffic interacting with through traffic.

The problem with the perimeter and where all the accidents happen is when vehicles are stopped waiting to turn. Eliminate this by whatever means necessary and it will be a huge safety improvement. Closing medina openings is a start. banning left turns at intersections could be an option. Provide Jersey or jughandle style left turns could be an option instead of full blown interchanges.