Freeways must provide continuous surfaced shoulders on each side of the mainlane roadways for all applicable contexts as shown in and .

For four-lane freeways, the minimum shoulder widths must be 10-ft on the outside and 4-ft on the inside (median side).

On freeways of six lanes or more, 10-ft inside shoulders must be provided for emergency pulloffs. 10-ft outside shoulder should be provided along all speed change lanes, and 12-ft outside shoulders are recommended when designated as emergency evacuation lanes.