Illinois Route 54 is a remnant of US Route 54, and it runs southwest-northeast in central and east-central Illinois. It runs northeasterly from Springfield, connecting to many rural communities before ending at Onarga near Interstate 57.
Illinois 54's southwestern end is a cloverleaf interchange with Interstate 55 in Springfield:
Illinois 54's southwestern end is a cloverleaf interchange with Interstate 55 in Springfield:
Illinois 54 heads northeasterly over Illinois 121 at Mount Pulaski, but the two are joined by a connector road:
In Clinton, Illinois 54 joins Illinois 10 eastward:
Illinois 54 and Illinois 10 then, following the same road, cross Business Route 51:
As Illinois 54 and Illinois 10 finish their journey through Clinton, they also finish their journey together, and they part ways...
After skirting the tiny town of DeWitt, Illinois 54 meets the northern extent of Illinois 48:
Illinois 54 crosses US Route 150 in Farmer City:
Shortly after, Illinois 54 crosses the sister freeway to US Route 150, which is Interstate 74...
Illinois 54 then, near the town of Bellflower, crosses US Route 136 as it continues moving northeastward:
Illinois 54 now approaches Gibson City, and Illinois 47 and Illinois 9 come from the north to follow Illinois 54 eastward:
At Gibson City, Illinois 47 splits to head southward, while Illinois 9 and Illinois 54 continue eastward together:
As Illinois 54 and Illinois 9 leave Gibson City, they part ways:
Illinois 54 joins Illinois 115 north for a short distance at Roberts:
After a short jaunt northward together, Illinois 54 and Illinois 115 split up to run independently again:
Illinois 54 turns due easterly as it meets Interstate 57, approaching Onarga:
Illinois 54 reaches its northeastern end in the center of Onarga, Illinois, at US Route 45. (Historically, US Route 54 continued north along US Route 45, and then followed the present-day Illinois 50 into Chicago):
