Complex sentence: Route 11's southern terminus is the interchange with Route 82 (Exit 4) in the town of Salem in the future Route 11's southern terminus will end at Interstate 95 and Interstate 395 in the town of East Lyme.
Split into simpler sentences: Route 11's southern terminus is the interchange with Route 82 (Exit 4) in the town of Salem. When eventually completed, Route 11's southern terminus will end at Interstate 95 and Interstate 395 in the town of East Lyme.