Misty Bay Dr on the east side of FM 646 will be closed starting Monday, January 4, 2010 for the completion of that intersection. The intersection will be reopened by February 3, 2010. Traffic will be detoured to Diamond Bay Dr and a PDF of the detour is attached. The contractor is on schedule with the FM 646 project and should have all the new lanes opened in April 2010. here's a map...