I just received a set of comments from the Michigan DOT and permission to post them. You can find them at http://trbcensus.com/acs/5-year_product/fed_register_03-06-2009/MIDOT.pdf -- Ed Christopher 708-283-3534 (V) 708-574-8131 (cell) FHWA Resource Center 19900 Governors Dr Olympia Fields, IL 60461