Intersections from west to east:

IL23 near Waterman

US30 turns south onto IL47 as IL56 continues eastward, at Sugar Grove

US30 breaks off of IL47 and goes eastward again

IL31 at Montgomery

(US30 then crosses over the Fox River and IL25 without an interchange)

US30 joins US34 east for a short distance in the northeast corner of Kendall County

US30 splits off of US34

It passes through these towns: Shabbona, Waterman, Hinckley, Big Rock, Sugar Grove, and Montgomery.