Access Management Awareness Program Work Plan for Phase II (Amendment 1) (TR-402)

Project status


Start date: 04/01/97
End date: 12/31/97


Principal investigator:

Other authors: David Plazak

About the research

Phase II of this project involved detailed research into the safety and traffic flow impacts of specific access management case studies in Iowa. The effect of controlling access on local business was also evaluated for selected case studies. This business vitality case study is one of the first of its kind ever conducted in the United States and Canada.


Project web page:

Report: (5.01MB pdf) December 1997

Related publications:



  • Iowa Department of Transportation
  • Iowa Highway Research Board