Complex sentence: Illinois 255 starts at I-270 in Pontoon Beach and currently ends at Fosterburg Road in Alton, a distance of 13.7 miles (22.1 km).
Split into simpler sentences: Illinois 255 starts at I-270 in Pontoon Beach and currently ends at Fosterburg Road in Alton. This is a distance of 13.7 miles (22.1 km).