Our Experts Matthew Raifman Transportation Safety Researcher, Safe Transportation Research and Education Center (SafeTREC), UC BerkeleyContactEmail: mraifman@berkeley.edu(link sends e-mail)Recent Projects SEE MORE Assessing the Impact of Vehicle Weight on Road Safety: A Comprehensive Study for the California Transportation Commission Research Team: Julia Griswold (lead), Federico E. Vaca, David Brownstone, Ipsita Banerjee, Matthew Raifman, Michael L. Anderson, Jiawei Chen, John Harvey, Celia Johnson, Jon Atkins UC Campus(es): UC Berkeley