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High Speed Pre-selection and Low-speed Precision Inspection System for Overload Control in Central Asia

2026-08-19

1. Project Background

With the continuous growth of cross-border freight and highway traffic in Central Asia, illegal overloading of freight vehicles has become a prominent road management problem. Before the project implementation, local road authorities mainly adopted the traditional static weighing inspection mode, which required all freight vehicles to stop completely for weighing and inspection.
This static inspection method easily caused long queues and severe traffic congestion during peak hours, greatly reducing overall road traffic efficiency. Limited by the low throughput of static weighing stations, a large number of transit trucks were stranded, severely restricting the efficiency of local cross-border logistics and transportation. In addition, long-term overloaded vehicles caused irreversible damage to road surfaces, bridges and other infrastructure, increasing frequent maintenance costs. The traditional inspection model could no longer meet the operational and management needs of modern trunk highway transportation in Central Asia.
To solve the pain points of traffic congestion and low inspection efficiency caused by static weighing, improve the level of intelligent road infrastructure, and realize standardized and efficient overload supervision, we deployed a complete set of high-speed pre-detection system and low-speed precision inspection system on key trunk highways in Central Asia, achieving an optimal balance between smooth traffic operation and accurate overload control.

2. System Solution and Operation Process

The integrated solution consists of two core modules: high-speed pre-detection system and low-speed precision inspection system, forming a closed-loop working mechanism of rapid screening + accurate re-inspection with hierarchical detection and precise law enforcement.

2.1 High-speed Pre-detection System

Installed on the main traffic lane, the system supports non-stop detection of passing freight vehicles at normal driving speed, with a detection accuracy of over 95%. It automatically collects real-time data including vehicle gross weight, axle load, axle type, driving speed and license plate information. The system quickly screens out vehicles with suspected overload violations.

Vehicles without overload suspicion pass directly without deceleration or parking, ensuring zero interference with mainline traffic flow. Suspected overload vehicles will be prompted by road variable message signs and guided to enter the dedicated inspection lane for secondary precision verification.

2.2 Low-speed Precision Inspection System

Targeting suspected vehicles screened by the pre-detection system, this module performs high-precision weighing, axle identification and vehicle separation at low speed, with a detection accuracy of over 99%, fully meeting national and industry standards for law enforcement evidence collection. The system outputs accurate, traceable and valid detection data that can be directly applied to official overload law enforcement.

After verification, confirmed overloaded vehicles will be disposed of in accordance with regulations, while qualified vehicles will be released immediately and merge back into the main traffic flow.

Equipped with license plate capture, video surveillance, evidence collection and intelligent data management platform, the system realizes full data recording and traceability, forming complete legal evidence chains. All devices are adapted to the local complex environmental conditions in Central Asia, such as large temperature differences and windy and sandy weather, supporting 24/7 all-weather stable operation.

3. Project Implementation Achievements

3.1 Eliminate Traffic Congestion and Greatly Improve Traffic Efficiency

The high-speed non-stop pre-detection mode fundamentally solves the long-standing congestion problem caused by full parking static inspection. Most freight vehicles can pass through the highway unimpeded, completely avoiding vehicle queuing and idle waiting. The trunk highway traffic capacity is significantly improved, effectively shortening the transit time of cross-border and local logistics vehicles, and reducing vehicle fuel consumption and transportation costs.

3.2 Realize Accurate and Efficient Overload Supervision

Adopting a hierarchical detection mode of 95%+ pre-screening accuracy and 99%+ precision re-inspection accuracy, the system abandons the inefficient full-inspection mode and realizes targeted and intelligent overload governance. It accurately intercepts illegal overloaded vehicles, effectively standardizing the loading behavior of transportation enterprises and drivers, and greatly reducing the incidence of overload violations on roads.

3.3 Protect Road Infrastructure and Reduce Maintenance Costs

Vehicle overload is the core cause of road surface damage, bridge fatigue and shortened infrastructure service life. After the system was put into operation, the rampant overload phenomenon on local highways has been effectively curbed. The damage of overloaded vehicles to roads and bridges is minimized, the service life of traffic infrastructure is extended, and the daily road operation and maintenance pressure and cost are significantly reduced. Meanwhile, the intelligent overload detection system fills the gap of local smart transportation infrastructure and improves the overall level of highway intelligent management.

3.4 Empower Cross-border Logistics and Regional Economic Development

As an important supporting facility for Central Asia’s key traffic corridors, the system ensures the long-term smooth, safe and efficient operation of cross-border freight channels. It optimizes the local road transportation business environment, guarantees the stable development of cross-border trade and logistics, and provides solid infrastructure support for regional economic and trade exchanges.

4. Project Summary

This customized high-speed pre-detection and low-speed precision inspection system project has been successfully implemented in Central Asia. With a screening accuracy of more than 95% for pre-detection and a law enforcement-level precision of more than 99% for re-inspection, it perfectly solves the core pain points of traditional static weighing, such as serious congestion and low efficiency.

The project realizes the integrated goals of unblocked traffic, accurate overload control and infrastructure protection, effectively upgrading local intelligent highway management capabilities. It provides a mature, reliable and replicable intelligent overload governance solution for trunk highway renovation and traffic capacity improvement projects in Central Asia and similar regions worldwide.

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Intelligent Transportation System Devices

Management Platform Software

High Speed Pre-selection and Low-speed Precision Inspection System for Overload Control in Central Asia

2. System Solution and Operation Process

2.1 High-speed Pre-detection System

2.2 Low-speed Precision Inspection System

3. Project Implementation Achievements

3.1 Eliminate Traffic Congestion and Greatly Improve Traffic Efficiency

3.2 Realize Accurate and Efficient Overload Supervision

3.3 Protect Road Infrastructure and Reduce Maintenance Costs

3.4 Empower Cross-border Logistics and Regional Economic Development

4. Project Summary

News

Cases

WIM System

High Speed Weigh In Motion

Low Speed Weigh In Motion

Vehicle Identification System

Weigh In Motion Truck Scales

Weigh In Motion Station