Between E93 and P18:
P383 (full interchange)
Delete P79; there are no ramps there.
Between P79 and P43:
KakNis (westbound exit and eastbound entrance) (maybe put this at P390?)
Between N250 and E95:
Bes (full interchange)
Between N312 and P62:
Ich (westbound exit and eastbound entrance)
HimMin (full interchange)
Delete P62; there are no ramps there.
Between P62 and N2/N179:
Chu (full interchange)
HimNis (full interchange)