DANBURY - Traffic along Interstate 84 was backed up for several hours this morning after a car in the eastbound lane crossed the medium and slammed into the guardrail on the westbound side of the highway. According to police, a two car accident at around 6:45 a.m in the eastbound lane near exit 10 caused one of the cars to jump the medium and push out more than 150 feet of guardrail on the other side of the highway.