Systems are getting more and more complex and usually involve many stakeholders. Stakeholders are concerned by different aspects of the system, potentially supported by multiple Domain Specific Modeling Languages (DSMLs). The DSMLs are usually different not only in their syntax but also in their behavioral semantics. In order to provide simulation and/or verification of the overall system, it i...

The feasibility of using railroad flatcars (RRFCs) as the superstructure for bridges on lowvolume roads has been investigated in two previous research projects at Iowa State University. The results of these projects verified that RRFCs are efficient and economical alternatives for low-volume road bridges. Two county engineers involved with the RRFC project cited cost as the main factor for choo...