UPDATE - Eastham Police say the highway is clear as of 5:45 p.m.
From the Eastham Police
Progress has been made, however Rt 6 remains closed in both directions at Brackett Road. The cleanup is continuing. We are estimating another 2 hours before RT 6 is opened.
The cause of the crash is under investigation by the Eastham Police Department. We are happy to report that no one was injured in the crash.