Adress: Novodvorská 1698/138b, 142 01 Praha 4
Phone: +420 241 493 135
E-Mail: info@cdvuz.cz
Web: www.cdvuz.cz
Employees: 125
Activity: VUZ provides full expert authorized services and wide range solutions in testing, assessment, expertise and certification of railway vehicles and infrastructure

Výzkumný Ústav Železniční, a.s. (VUZ) provides professional authorized services and comprehensive solutions in the field of testing and certification of railway vehicles and infrastructure. A wide range of certification services includes conformity assessment with interoperability requirements, independent safety assessment, safety assessment and inspection.

VUZ operates „Test Centre VUZ Velim“ with 2 railway test circuits of 13, 272 km and – 3,951 km, unique dynamic test laboratory providing full range components testing, fully equipped halls / depots for test preparations. Test Centre VUZ Velim enables testing of railway vehicles under all five European power traction systems. 

VUZ is a notified body, NoBo, a safety assessment body of AsBo and a designated body of DeBo in all structural subsystems – infrastructure, energy, trackside control-command and signalling, on-board control-command and signalling and rolling stock


  • Authorized Body No. AO 258
  • Notified Body No. 1714
  • nspection Body accredited by ČIA No. 4056
  • Certification Body for product certification accredited by ČIA No. 3149
  • Testing Laboratory accredited by ČIA No. 1462