UPDATE:The crash blocking lanes along southbound I-71 near Exit 14 toward Ronald Reagan Cross County Highway has been cleared by police. All lanes are now open to usual traffic.12:32 p.m.The left shoulder along southbound I-71 near Exit 14 toward Ronald Reagan Cross County Highway is blocked due to a crash, according to police.Stop-and-go traffic is backed up to Exit 17 toward I-275. Authorities advise motorists to expect delays of up to 20 minutes.12:26 p.m.The two left lanes along southbound I-71 near Exit 14 toward Ronald Reagan Cross County Highway are blocked due to a crash, according to police. Stop-and-go traffic is backed up to Exit 15 toward Pfeiffer Road. Authorities advise motorists to expect delays of up to 20 minutes. For live traffic updates, click here.