What is the fine-grained topic of the following text: In addition to his service on the ARTBA Board of Directors, Dinitz was a member on the AASHTO-ARTBA-AGC Joint Committee for many years, served several terms on the board of ARTBA’s Traffic Safety Industry Division (TSID), and was the 2002 recipient of the TSID’s John “Jake” Landen Memorial Safety Award, which recognizes outstanding contributions to highway safety. Only return the topic.
Dinitz's service and contributions in highway safety organizations