Starting in Chicago Heights:
From the South, 10th Street is located North of Route 30 (Lincoln Hwy.), go North on Halsted Street through two stop lights, then turn right onto 10th Street before the Forest Preserve.  A small green Thorn Creek sign is located at the corner. Go east on 10th Street until it ends at the railroad tracks.  Proceed onto West End Avenue, turning left with the road along the tracks.  The road leads into the plant.

Starting from out of the area:
From I-57, exit at Route 30 east, in Matteson:  
Go east about 6 miles on Routh 30.  Cross Route 1 (Chicago Road).  The next light is Halsted.  Turn left and go north on Halsted through two stop lights, then turn right onto 10th Street before the Forest Preserve.  A small green Thorn Creek sign is located at the corner. Go east on 10th Street until it ends at the railroad tracks.  Proceed onto West End Avenue, turning left with the road along the tracks.  The road leads into the plant.

From I-80 (& I-294), exit Route 1 (Halsted Street) South:  
Go south approximately 4 miles.  Cross Joe Orr Road and continue south on Halsted Street.  Go through the next stoplight, and turn left onto 10th Street after the Forest Preserve. A small green Thorn Creek sign is located at the corner. Go east on 10th Street until it ends at the railroad tracks.  Proceed onto West End Avenue, turning left with the road along the tracks.  The road leads into the plant.

From 394 South:
     Take Route 30 (Lincoln Highway) west to Halsted Street.  Turn right (North) until you come to 10th Street.  A small green Thorn Creek sign is located at the corner. Go east on 10th Street until it ends at the railroad tracks.  Proceed onto West End Avenue, turning left with the road along the tracks.  The road leads into the plant.