TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2644 consists of 13 papers exploring traffic monitoring, including: Sensor Location Decision Model for Truck Flow Measurement Bicycle and Pedestrian Counts at Signalized Intersections Using Existing Infrastructure: Opportunities and Challenges Quality Assurance and Quality Control Processes for a Large-Scale Bicycle and Pedestrian Volume Data Program Evaluating Annual Average Daily Traffic Calculation Methods with Con…