As state departments of transportation (DOTs) and local transportation agencies make difficult funding decisions in these financially constrained times, access management improvements provide a cost-effective alternative for improving the safety and operation of roadways. Mindful of the benefits of implementing access management treatments, the Michigan DOT has conducted an access management program since 2002. The Michigan DOT contracted with the Texas Transportation Institute (TTI) to provide recommendations for adjustments to the Michigan access management program. As a result of the evaluation, TTI identified lessons learned related to the importance of (a) continuing support and funding for the access management program, (b) a clear access management policy statement, (c) coordination and cooperation between state and local transportation agencies, (d) continued training, (e) interagency coordination across state DOT divisions, (f) continued review and update of technical documentation and guidance, and (g) continued objective program evaluations. The lessons learned that are documented and described in this paper are invaluable reminders to practitioners in state DOTs with established programs and excellent points to consider for practitioners in state DOTs just beginning to foster access management implementation. Practitioners from local transportation agencies (e.g., cities, villages, counties, and townships) that are implementing access management or planning to implement access management will also find these lessons learned invaluable. The research community will also benefit from the lessons learned identified in this paper because the findings validate the procedural, political, and institutional considerations often touted as imperative to successful implementation of access management.

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