The proceedings of the 2010 Symposium on Mileage-based User Fees that was held in Minneapolis, MN in April of 2010 are complete and available at the website of the University Transportation Center for Mobility (UTCM) at Texas A&M University.
In addition to the proceedings, you will also find a summary of the interactive discussion that was held on the closing day of the symposium as well as a summary of a workshop held on pay-as-you-drive (PAYD) insurance.
Preparations for the 2011 Symposium on Mileage-based User Fees in Denver, Colorado, are currently underway.