Documents April 7, 2009 Presented by: Tom Welch State Transportation Safety Engineer Prepared with the...

April 7, 2009 Presented by: Tom Welch State Transportation Safety Engineer Prepared with the Assistance of: Dr. Tom Maze & Joshua Hochstein â Iowa State University Iowa…

Documents April 7, 2009 Presented by: Tom Welch State Transportation Safety Engineer

April 7, 2009 Presented by: Tom Welch State Transportation Safety Engineer Prepared with the Assistance of: Dr. Tom Maze & Joshua Hochstein â Iowa State University Iowa…