PDFTech ReportOR07-011RI06-019Customer satisfactionMarket surveysMissouri. Dept. of TransportationMissouri Transportation InstituteMissouri. Dept. of TransportationIntelligent Transportation Systems Joint Program OfficeUsing the 2006 survey as a baseline, the investigators collaborated with MoDOT to finalize the survey questions to be asked. A professional calling center was contracted to obtain a representative sample of each of the 10 MoDOT Districts, with a minimum of 350 respondents per District. Potential respondents were contacted through random digit dialing (RDD) from May 14 through May 30. 89,064 calls were made, of which interviewers were able to talk to 7,514 people. A total of 3,636 interviews were completed and usable for the s...