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Abdul Dahhan, P.E. Abdul Dahhan recently joined CTL's already impressive lineup of industry professionals and will be taking on the role of Vice President of Engineering.  Abdul is  a registered Professional Civil and Environmental Engineer.  Abdul has nearly 3 decades of Engineering experience with his latest role as Bureau Chief of Materials for the Illiois Department of Transportation.  While with IDOT, Abdul developed many specifications for practical use in District 1 and Statewide related to the use of Aggregates, Portland Cement Concrete, and Hot Mix Asphalt, among other materials. 

Mr. Dahhan is currently a member of the following committees:  ASTM D04 Road and Paving Materials, and IRTBA Illinois Department of Transportation Joint Forum.   Prior to joining CTL, Abdul worked as Bureau Chief of Materials, Mixtures Control Engineer of the Bureau of Materials and Mixture Control Area Supervisor over his 30 year IDOT career.