US34 joins US6 east, just west of Sheffield
US6/34 crosses IL40 north of Buda
At an intersection in Princeton, US34 turns north onto a street which also carries IL26, as IL26 joins US6 east
IL26 leaves south, still in Princeton
IL89 joins US6 from the north
IL89 splits with US6 to head southerly at Spring Valley
IL251 in Peru
US6 joins IL351 north for two blocks in LaSalle
US6 splits with IL351 to go eastward again
IL178 north of Utica
US6 crosses IL23, as IL71 comes from the south on IL23 and turns east onto US6, in Ottawa
IL71 leaves to the northeast, just outside Ottawa
US6 meets IL170 at its northern terminus at Seneca
US6 joins IL47 north for a short distance in Morris
US6 splits off of IL47 to head eastward again
It passes through these towns: Mineral, Sheffield, Wyanet, Princeton, Hollowayville, Seatonville, Spring Valley, Peru, LaSalle, Ottawa, Marseilles, Seneca, and Morris.
Continue east- Iowa state line to Bureau/Henry County line
Continue west- Grundy/Will County line to Indiana state line
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Back to US Routes under 50
