Directions

From the north or south via I-55:
Exit 98B (Clear Lake Ave.); Clear Lake, which becomes Jefferson Street, to 6th Street; right on 6th Street to Carpenter Street; left on Carpenter to 4th Street; right on 4th Street; Prairie Diagnostic Center on the right.
From the north via Route 29:
Route 29 becomes J. David Jones Parkway, then Walnut Street, in Springfield; left on Carpenter Street to 4th Street; right on 4th Street; Prairie Diagnostic Center on the right.
From the east via Route 29:
Right at Dirksen Parkway to Clear Lake Avenue; left on Clear Lake, which becomes Jefferson Street, to 6th Street; right on 6th Street to Carpenter Street; left on Carpenter to 4th Street; right on 4th Street; Prairie Diagnostic Center on the right.
From the east via I-72:
Interstate 72 becomes Clear Lake Avenue in Springfield; Clear Lake, which becomes Jefferson Street, to 6th Street; right on 6th Street to Carpenter Street; left on Carpenter to 4th Street; right on 4th Street; Prairie Diagnostic Center on the right.
From the east via Route 54:
Route 54 becomes Sangamon Avenue in Springfield; left at Dirksen Parkway to Clear Lake Avenue; right on Clear Lake, which becomes Jefferson Street, to 6th Street; right on 6th Street to Carpenter Street; left on Carpenter to 4th Street; right on 4th Street; Prairie Diagnostic Center on the right.
From the west via Route 97:
Route 97 becomes Jefferson Street in Springfield; Jefferson, which becomes Madison Street, to 6th Street; left on 6th Street to Carpenter Street; left on Carpenter to 4th Street; right on 4th Street; Prairie Diagnostic Center on the right.