technique. The contacted institutions and companies included
most of the nation’s departments of transportationDOTs,
American Arbitration Association, and most of the top 400 companies listed in the engineering new record. Among these, only
California Department of TransportationCALTRANS provided
a data set that included 10,193 projects spanning over twelve
California districts. The collected data was used to hypothetically
study the possible effect of the newly developed RRG for contractors’ claims on this historic data set.