Highway traffic condition survey system

The traffic condition survey equipment consists of laser scanning sensors, video sensors, and a data acquisitionindustrial control computer.

Utilizing the basic principle of laser scanning ranging, when a vehicle passes a monitoringpoint equipped with the highway traffic condition survey system,the laser sensor performs a 3D scan of the vehiclefrom all angles using a dvnamic cross-sectional scanning method. This scanned data is then transmitted to an edgeintelligent processing host for data filtering and feature extraction.

Finally, an intelligent recognition algorithm uses theextracted vehicle features to determine vehicle type, traffic flow, and speed, and transmits the results to a higher-level management platform.

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Parameter table System Features

TECHNICAL PARAMETERS

Parameter	Specification
Work mode	Forward and lateral
Supported number of lanes	Maximum 10 lanes in both directions
Detection information	Traffic flow,time occupancy,headway,vehicle type,following percentage,location speed,driving direction,driving lane
Vehicle Classification	9 categories
Vehicle Classification Accuracy	≥90%
Vehicle speed detection accuracy	≥92%
Traffic flow detection accuracy	≥99%
Parameter	Specification
Operating temperature	-50℃~+85℃
Measurement distance range	0.5m~30m (reflective surface with 10% reflectivity)
Distance measurement accuracy	±3
Scanning angle range	0°~270°
Laser protection level	Level 1 (Eye Safety)
Reliability	MTBF>5000 h
Video resolution	12080X720

System Features

Non-contact measurement, highly reliable.
Wide detection range, supporting up to 10-vehicle sections in both directions.
Supports video storage, and can also upload to a server upon customer request.
Accurately calculates traffic volume data such as vehicle type, speed, and traffic flow.
Supports multiple sensor interfaces, compatible with various sensors including wind speed, visibility, temperature, and rainfall.
Automati data replenishment function in case of network anomalies.
Network-based client management software allows for remote equipment debugging, upgrades, and maintenance.
The customer service center can remotely monitor equipment operation and provides early warning functions to ensurestable operation.
Laser detection accuracy and range are unaffected by road surface barriers.
The equipment can be installed on L-shaped poles on the roadside for lateral detection without interrupting traffic ordamaging the road surface.
Supports open communication protocols and can be customized according to customer needs. Provides two RS232serial ports, which can be converted to wired or wireless (4G/5G)transmission.

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