UIC 518

Testing and Approval of Railway Vehicle Running Behaviour

UIC 518 is the International Union of Railways standard that specifies dynamic testing requirements for acceptance of railway vehicles based on running behaviour criteria. This standard, which served as the basis for the later EN 14363, defines measurements and limits for vehicle response to track irregularities, lateral dynamics, and operational safety across varying track conditions. It is historically significant in European rail certification and remains in use for certain vehicle classes and retrofit assessments. Accreditation for UIC 518 testing ensures proper measurement methodology and comparison against established international railway acceptance criteria.

What it measures

Lateral acceleration response
Wheel load variation under dynamic conditions
Vehicle body acceleration and displacement
Derailment coefficient assessment
Running safety indices

🇩🇪 DIN EN 14363 🇬🇧 BS EN 14363 🇫🇷 NF EN 14363 🇮🇹 UNI EN 14363 🇪🇸 UNE EN 14363 🇳🇱 NEN EN 14363 🇩🇪 DIN EN 12299 🇬🇧 BS EN 12299 🇫🇷 NF EN 12299 🇮🇹 UNI EN 12299 🇪🇸 UNE EN 12299 🇳🇱 NEN EN 12299

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BSI á Íslandi ehf

UKAS 0823 Reykjavik 104, IS

Nominal value TEMPERATURE See Notes 1 to 3 TORQUE Case Manager: BC4 + 1 more

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EN 14363 Railway applications — testing for the acceptance of running characteristics of railway vehicles
EN 12299 Railway applications — ride comfort for passengers — measurement and evaluation
UIC 510-2 Running of trains — braking — part 2: freight trains running in the network