UIC 544-1

Railway Rolling Stock Braking Performance

UIC 544-1 establishes the braking performance requirements and test procedures for railway rolling stock, including trains, trams, and metro vehicles. It defines minimum deceleration rates, braking distance standards, and the interaction between service and emergency braking systems under various load conditions and rail adhesion scenarios. This standard is essential for ensuring passenger safety and operational reliability across European rail networks by verifying that vehicles meet consistent, continent-wide braking performance benchmarks. Accreditation ensures independent verification of manufacturers' compliance and operational readiness of rail fleets.

What it measures

  • Service brake deceleration and stopping distance
  • Emergency brake performance and reaction time
  • Braking distance on different rail adhesion conditions
  • Brake force distribution across axles
  • Thermal stability during repeated braking cycles
🇩🇪 DIN EN 14531-1 🇬🇧 BS EN 14531-1 🇫🇷 NF EN 14531-1 🇮🇹 UNI EN 14531-1 🇪🇸 UNE EN 14531-1 🇳🇱 NEN EN 14531-1
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W H Stephens

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UKAS 7855 Belfast, GB
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WENZEL Metrology

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WIN Messmittel und Service

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DAkkS D-K-17410-01-01 Korbußen, DE
− Parallelendmaße − Längenmessmittel − Durchmesser − Formabweichung − Gewinde + 3 more
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WSP UK

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UKAS 2538 London, GB
(HSG 248) – 2021 AFC based on HSG 248 (PCM) based on HSG 248 SSA based on HSG 248
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ACCREDIA 01077 Tribano, IT
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Waagen-Dienst Kirste

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DAkkS D-K-20130-01-00 Meissen, DE
Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO elektronische Waagen verwendete Abkürzungen: 1) In den CMC sind die erweiterten Messu + 2 more
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Waagen-Jöhnk

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Waagen-Kissling

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Waagenfachhandel Hilke

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Wagner Umweltgeologie

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Weiss Technik

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Werth Messtechnik GmbH Kalibrierlabor

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Steuerungssoftware Messvolumen mit einer Werth Messtechnik ≤ 2330 mm GmbH, Gießen, D Werth Messtechnik ≤ 600 mm Werth Messtechnik ≤ 150 mm
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Wessex Power Technology

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UKAS 20481 Winterborne Zelston, GB
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Westenergie Netzservice GmbH Eurotest

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DIN IEC 60060-1 VDE 0432- 1 IEC 60270 VDE 0434 DIN EN 61243-1 + 3 more
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Westfalen Aktiengesellschaft Sondergasezentrum Hörstel

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Westfield Compliance (Technical Services)

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UKAS 21065 Cleckheaton, GB
Analysts’ Guide (HSG 248) (PCM) based on HSG 248 staining based on HSG 248
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UKAS 7567 Newcastle-Under-Lyme, GB
(HSG 248) – 2021 SOP 12 based on HSG 248 (PCM) based on HSG 248 SOP 11 based on HSG 248
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Westward Laboratories

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UKAS 1830 Callington, GB
ISO 21528-2 BS ISO 4832:2006 BS ISO 16649-2:2001 Method No 2.9 based on BS EN ISO Method No 2.12 based on BS EN + 3 more
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White Lab srl - Labostudio

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ACCREDIA 00852 Santa Croce sull'Arno, IT
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UKAS 21819 Birchwood, GB
BS 1377-2:2022 BS 1377-9:1990 DIN EN 1097-5 BS EN ISO 17892-1:2014+A1:2022 purposes (BS 1377-2:2022
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Winkhaus (UK)

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UKAS 1989 Kettering, GB
DIN EN 12046-2 DIN EN 12094-8 DIN EN 949 BS 6375-2:2009 DIN EN 950 + 3 more
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Wocken Industriepartner

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DAkkS D-K-20386-01-00 Meppen, DE
Parallelendmaße aus 0,5 mm DIN EN ISO 3650:1999 Einstelldorne Durchmesser 3 mm Durchmesser 5 mm + 3 more
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Wood Group UK

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UKAS 4482 Glasgow, GB
IEC 61400-12-1 IEC 61400-12-3 IEC 61400-50 IEC 61400-12 IEC 61400-50-2 + 3 more
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Industries

Railway rolling stock manufacturers Public transit and metro operators Railway maintenance and certification Brake system integrators Transport safety authorities

Related Standards

  • UIC 544-2 Railway brakes — Estimation of braking force
  • UIC 546 Railway brakes — Electropneumatic brakes
  • EN 14531-1 Railway applications — Safety requirements for the design of rolling stock

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