Allen has over 24 years of civil and traffic engineering experience. He has served as a court-qualified expert providing findings and opinions regarding the design and operation of transportation facilities. He has extensive experience evaluating existing transportation infrastructure, determining the need for safety enhancement, and identifying appropriate safety improvements.

Having worked as a contract staff engineer for several local governmental agencies, Allen’s knowledge of transportation safety is considerable. He holds licenses as a Civil Engineer and a Traffic Engineer.

His work has included implementation of transportation safety programs, conducting site-specific safety investigations, and designing bicycle and pedestrian facilities. He also designed the implemented temporary traffic control installations and oversaw state-of-the-practice transportation analyses.