mr. john samuelson, international president transportation workers union of america. ms. katherine chase, president advocates for highway and auto safety, mr. abuse, vice president of safety aurora, mr. doug block, political director for joint council, mr. larco, next center university of oregon. mr. wolf, general council opt autonomous industry. thank you for being here today. without objection, our witnesses' full statement will be included in the record. since your testimony has been made a part of the record, the subcommittee requests that you limit your oral testimony to five minutes. first, ms. tatum, you may proceed. >> good morning, chair norton, ranking member, and members of the subcommittee. i am the vice may your protem on the southwest side of houston. i'm here today on behalf of the national league of cities to discuss our experiences with piloting autonomous vehicles. zero is the only acceptable number of deaths on america's roads. today we are losing far too many of our residents to dangerous roads in houston and across this country. and efforts to reduce f