WIM for direct enforcement

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• Permanent protection against overloaded vehicles
• Operation without the presence of human service
• Connection with the register of offences
• The minor offense fee can be paid via card on site

Optimal configuration of the second stage of the weighing station operated in unattended mode and approved according to the international recommendation OIML R. 134, i.e. with high weighing accuracy and 100% relevance of weighing results.

The previously picked vehicle is guided by Variable Message Signs to the second stage weighing zone and then weighed automatically without stopping in automatic operation. Thanks to advanced technologies, it is possible not only to reliably identify the vehicle, but also to find out other data, such as exceeding its dimensions.

Information about overloaded vehicle is then sent directly to the national offence register (see legislation of the respective country) or the specific competent authority for the offence(s) at hand.

This station is a one-way design intended for first and lower class roads. If used in attended operation, it can be complemented by a cargo transfer station. The undeniable advantage is the coverage of almost all passing trucks. A driver who refuses to respect traffic signs and enter the lane to be weighed commits an offense, which is subsequently resolved in administrative proceedings.

The high measurement accuracy and 100% reliability in the second weighing stage reduces the number of administrative appeals and significantly increases operational efficiency of the station as a whole.

• The weighing system installed in the first weighing stage in the main lane is intended for pre-selection of overloaded vehicles driving in the road’s through lane. In this way, the 95% to 98% of vehicles that are loaded correctly can be successfully filtered out and only those that are overloaded are sent to the second weighing stage. 
• Low-Speed weighing system at the second stage works with much higher accuracy that is suitable for direct charging for overloading.

Both stages can run continuously in fully automatic unattended mode.

Without the second stage of weighing, it is very inappropriate to use the HS WIM system installed on the first stage as a separate certified meter for the following reasons:

• The HS WIM system detects only the more blatant cases of overloading and so reduces the number of detected offences by up to 64%, because vehicles are weighed with a maximum deviation of up to 5% for the total weight and 11% for the individual axles
• The HS WIM system is not immune to obstructions to weighing by the vehicle driver by arbitrarily‚ driving rough‘ through acceleration (a sudden increase in speed) or deceleration (braking) when passing over the weighing system.

Throughput of the two-stage weighing system is up to 300 vehicles per hour.

• To increase the efficiency of the use of Portable Weighing Systems, these can be used with pre-selection. This is relevant particularly for temporary locations where setting up stationary weighing stations is not possible or economically viable.
• Weighing in the 1st stage is dynamic with a maximum speed of 5 km/h.
• Weighing in the 2nd stage is static using fully certified mobile scales designed for accurate weighing with the possibility of generating a weighing ticket serving as a basis for imposing a sanction on an overloaded vehicle.

Throughput of portable weighing is up to 15 vehicles per hour, with preselection up to 60 vehicles per hour.

Weighing station designed for:

• Electronic toll collection (ETC)
• Weighing at border crossings
• Weighing on roads with heavy traffic

Weighing when passing through a toll station or a station located on a high-traffic road requires smooth operation and fast clearance of vehicles. The detection and evaluation of possible overloading of vehicles must not only be fast, but also very accurate. Any more substantial deviation distorts the weighing results and thus also the basis for the collection of tolls or penalties for overweight cargo.

A larger number of lanes for parallel entry of vehicles also allows to operate roads with higher traffic density.

Information about the vehicle weight or overload as applicable is either sent directly into the respective database for toll collection or evaluation of offences, or can be used to immediately stop the vehicle.

This station is a one-way design intended for roads with heavy traffic. If used in attended operation, it can be complemented by a cargo transfer station.