Abstract
The Urban Traffic Research Laboratory (UTRaLab) is a research and test track for traffic detection methods and sensors. It is located at the Ernst-Ruska-Ufer, in the southeast of the city of Berlin (Germany). The UTRaLab covers 1 km of a highly-frequented urban road and is connected to a motorway. It is equipped with two gantries with distance of 850 m in between and has several outstations for data collection. The gantries contain many different traffic sensors like inductive loops, cameras, lasers or wireless sensors for traffic data acquisition. Additionally a weather station records environmental data. The UTRaLab’s main purposes are the data collection of traffic data on the one hand and testing newly developed sensors on the other hand.
Highlights
Tra c model calibration and evaluation The detected tra c and environmental data are permanently stored in databases, visualized as diagrams, time charts, level-of-service charts and tables
The Urban Tra c Research Laboratory (UTRaLab) is based on the German TLS standard “Technical supply conditions for roadway stations” (Technische Lieferbedingungen für Streckenstationen), which is a guideline for the construction and operation of tra c and transportation management systems
The track is equipped with 45 conventional inductive loop detectors, which can count and classify cars as well as measure velocities according to TLS standard
Summary
Precise and reliable tra c data are the basis for a realistic tra c simulation and prediction and for a powerful tra c control. Novel methods for tra c participant detection, classi cation and tracking are developed and tested. Tra c model calibration and evaluation The detected tra c and environmental data are permanently stored in databases, visualized as diagrams, time charts, level-of-service charts and tables. These data are used to calibrate and evaluate microscopic tra c models. Sensor tests and validation The combination of di erent sensors for tra c and tra c situation detection and environmental situation enables an e cient validation of quality and reliability of the installed sensors. The gantries of the UTRaLab are perfect for mounting and testing environmental sensors, e.g. emissions monitoring, and for other purposes, e.g. Vehicle-to-Infrastructure communication
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