%T Iowa Department of Transportation Office of Contracts Letting Summary July 1, 2006 through June 30, 2007 %X Twelve regularly scheduled lettings and seven emergency/special lettings were held by the Iowa Department of Transportation for construction and maintenance work during the period covered by this report. At these lettings, projects totaling $492,299,871 were approved. %D 2007 %K contracts, letting summary, DOT %L publications5926