Railway vehicle testing

Tests of railway vehicles are performed in the VUZ accredited testing laboratory (TL), which ranks among the most advanced and sought-after laboratories in the field of railway vehicle testing, and at the same time prides of a long-time tradition reaching back to the 1950s. 

The range of satisfied and loyal customers of our laboratory includes the world’s leading rolling stock manufacturers such as Alstom, Siemens, Bombardier Transportation, Škoda Transportation, CRRC, PESA and others.

The testing engineers of our laboratory are respected experts in their field of work and are ready to carry out most of the offered tests not only in the VUZ Velim Test Centre, which provides optimal conditions for such testing, but also on external tracks. VUZ is experienced in testing vehicles with different types of traction, including alternative tractions such as hydrogen and batteries.

The VUZ testing laboratory has been accredited since March 31, 1995, and today it is registered under No. 1462 as a holder of the certificate of accreditation issued by the Czech Accreditation Institute (CAI) on the basis of assessment of fulfilment of the accreditation criteria in accordance with ČSN EN ISO/IEC 17025.

Within its quality management system, the VUZ testing laboratory has been continuously developing and updating its testing procedures to keep them in line with the strict requirements of the international, European and national standards and interoperability standards.


Traction and energy tests

This type of tests covers verification of traction characteristics of traction railway vehicles, train resistance measurement, rolling stock anti-skid equipment testing and measurement of rolling stock energy parameters.

Brake tests

Brake tests include static and dynamic brake tests, anti-skid tests of railway vehicles, braking distance verification.

Current collector tests

The electrotechnical tests performed by the VUZ testing laboratory include also current collector tests.

Thermotechnical Tests (HVAC)

This set of tests includes measurement of heating, cooling (air condi- tioning), air flow, air volume and determination of heat transfer coeffi- cient k.


Technical equipment:

  • State-of-the-art measurement technology 
  • Special measuring cars
  • Noise track section complying with TSI NOISE parameters
  • Measuring flat curve R 150 m
  • Rail scale

Other services:

  • Functional tests of rail vehicles
  • Expert opinions and assessments
  • We can organize tests on SŽ (Správa železnic, the Czech national railway infrastructure owner and provider) tracks

Our regular and satisfied customers include: 

  • Siemens
  • Stadler 
  • Škoda Transportation
  • Alstom
  • Bombardier Transportation
  • Hitachi
  • CAF
  • DPOV
  • Greenbrier
  • Hyundai-Rotem & ŠKODA ELECTRIC
  • Končar
  • Pojazdy Szynowe PESA Bydgoszcz
  • Tatravagónka
  • ŽOS Vrútky
  • ŽOS Trnava


Product sheet


Title Description Downloadable documents
Accredited Testing Laboratory No. 1462 (ZL)

Tests in the field of rolling stock and equipment, their parts and materials as defined by the Annex to the Certificate of Accreditation.  



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Výzkumný Ústav Železniční, a. s. (VUZ)
Novodvorská 1698/138b, Praha 4
phone: +420 241 493 135
VAT CZ27257258
Registered in the Commercial Register maintained by the Municipal Court in Prague, Section B, File 10025
Zkušební centrum VUZ Velim
281 02 Cerhenice
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VUZ Slovakia, s. r. o.
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