UIC 505-1

Railway Vehicle Gauge Limits and Clearances

This test method establishes the maximum permissible dimensions and clearance gauges for railway rolling stock to ensure safe passage through railway infrastructure, stations, and tunnels across European rail networks. It defines the envelope within which vehicles must fit to prevent collision with track infrastructure, platforms, and fixed installations. Compliance verification is critical for manufacturers, infrastructure operators, and interoperability authorities to maintain operational safety and network compatibility. Accredited testing ensures objective measurement of vehicle dimensions and systematic verification against gauge requirements, preventing costly delays and safety incidents.

What it measures

  • Vehicle overall width and height envelope
  • Side clearance from track centerline
  • Bogie and wheelset overhang dimensions
  • Buffer and coupling heights
  • Interior and exterior protrusion limits
🇧🇪 NBN EN 15273-1 🇩🇪 DIN EN 15273-1 🇬🇧 BS EN 15273-1 🇫🇷 NF EN 15273-1 🇮🇹 UNI EN 15273-1 🇪🇸 UNE EN 15273-1 🇳🇱 NEN EN 15273-1
2,759 Accredited labs
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DAkkS D-K-15115-01-01 Kassel, DE
Gleichstrom- und Niederfrequenzmessgröße - Gleichspannung - Gleichstromstärke - Gleichstromwiderstand - Wechselspannung + 3 more
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UKAS 4236 Northampton, GB
DIN EN 1650 DIN EN 1656 DIN EN 1657 DIN EN 13624 DIN EN 14348 + 3 more
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21st Century Pathology

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UKAS 23262 London, GB
Whole Blood Full blood count | 520 Whole Blood Full blood count | SOP LAB 1 A, B, O, Rh (D) | SOP LAB 11 Blood Phlebotomy | SOP LAB 03 Biochemistry examination activities | Ro + 3 more
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29 Fleet Street

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UKAS 22197 London, GB
Nasopharyngeal (Nose) swab Detection of 19) virus RNA specifically RdRp | SARS-C 19) virus RNA specifically RdRp | 645 Combined Nasopharyngeal & Detection of S Oropharyngeal (Nose & Throat) (COVID19)
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3-Rath Kalibrier+Prüftechnik

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DAkkS D-K-15158-01-00 Haiger, DE
Sound intensity — scanning method (ISO 9 Hand-arm vibration — measurement (ISO 53 Railway testing reference handbook part messeinrichtungen von Pendelschlagwerke und + 3 more
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3D Service

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DAkkS D-K-18164-01-01 Partenstein, DE
Railway braking — adhesion under braking Koordinatenmessgeräte geräte mit einem DEA Hexagon Metrology Polyworks, Software von Metrologic, Software von + 3 more
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3E

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BELAC 772-TEST Bruxelles, BE
IEC 61400-50-1 IEC 61400-50-2 MEASNET “Evaluation of si
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4-RAIL Services

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UKAS 0173 London, GB
(HSG 264, 2012)
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4-RAIL Services

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UKAS 1931 London, GB
BS 7976-2 (HSG 248) – 2021 (PCM) based on HSG 248 E203 based on HSG 248 E200 based on HSG 248 + 1 more
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5D Compliance

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UKAS 9372 West Chiltington, GB
(HSG 264, 2012)
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8tree GmbH 8tree Calibration Lab

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DAkkS D-K-21981-01-00 Konstanz, DE
(Härteskalen HV0,01 8tree Scanner / 0 mm bis 100 mm Laterale Größe von Tiefenmaß/ -unterstand + 2 more
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9 Harley Street

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UKAS 25321 London, GB
HUMAN BODY FLUIDS Clinical Biochemistry Alkaline Phosphatase (ALP) | Phosphate Alkaline Phosphatase (ALP) | SOP: LAB-SO Alanine Aminotransferase (ALT) | Absorba Alanine Aminotransferase (ALT) | SOP: LA + 3 more
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A & L Consultants

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UKAS 9260 Dukinfield, GB
(HSG 264, 2012)
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A.C.S - ASSISTANCE AU CONTROLE SANITAIRE

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COFRAC 1-5950 Vannes, FR
NF X 43-050 ISO 16000-7 FD T 90-522 FD X 46-033
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A.G.A. Lab di Bruno Augusta & C S.n.c.

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ACCREDIA 00819 Grazzanise, IT
ISO 4832 ISO 21527-1 ISO 21527-2 DIN ISO 16649-2 DIN EN ISO 11290-1 + 3 more
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A.Q.C. SRL

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ACCREDIA 00925 Napoli, IT
DIN EN ISO 7438 DIN EN ISO 4136 DIN EN ISO 5173 DIN EN ISO 9016 DIN EN ISO 9017 + 3 more
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A.W.V. - Busse

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DAkkS D-PL-14087-01-03 Plauen, DE
DIN EN ISO 2719 DIN EN 12879 DIN EN 12880 DIN EN ISO 19458 DIN EN 932-1 + 3 more
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A1 SERVICIOS INTEGRALES PARA LA INDUSTRIA E INSTALACIONES

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ENAC LC10.160 San Fernando de Henares, ES
-95 kPa ≤ P < -1 kPa -1 kPa ≤ P < -100 P 5 kPa ≤ P < 80 kPa 80 kPa ≤ P ≤ 120 kPa 0 MPa ≤ P ≤ 2 MPa 2 MPa < P ≤ 20 MPa 20 Punto triple del agua (0,01 °C) Punto de fusión del hielo (0,00 °C) -80 + 3 more
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AB DIAG EXPERT

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COFRAC 1-6467 Limoges, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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ABB AG Kalibrierlaboratorium für Druck, Durchfluss und Temperatur

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DAkkS D-K-12115-01-00 Minden, DE
Railway overhead lines — pantograph head - Direktanzeigende Thermometer - Thermopaare, Thermoelemente abs positiver Überdruck + 3 more
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ABESCO CONTRACTS bv

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BELAC 753-TEST Glabbeek, BE
NBN T96-102 HSG248 - appendix 2
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ABLE Calibration Services

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UKAS 4021 Rogerstone, GB
PRESSURE Hydraulic pressure (gauge) TEMPERATURE DC VOLTAGE INDUCTANCE + 3 more
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ABP Associates

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UKAS 4494 Southampton, GB
(HSG 248) – 2021 staining based on HSG 248 (PCM) based on HSG 248 QP23 based on HSG 248
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ABPI Aalener Baustoffprüfinstitut

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DAkkS D-PL-19436-01-01 Aalen, DE
DIN EN 932-1 DIN EN ISO 17892-4 DIN 19682-1 DIN 19682-2 DIN EN ISO 14688-2 + 3 more
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AC & MS

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UKAS 2742 Canvey Island, GB
(PCM) based on HSG 248 Analysts’ Guide (HSG 248)
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Industries

Railway rolling stock manufacturing Infrastructure and track operators Railway vehicle maintenance and refurbishment Transit authorities and network operators Intermodal transport and logistics

Related Standards

  • UIC 505-2 Railway vehicles — gauge limits — Part 2: Detailed geometric requirements for coaches
  • EN 15273-1 Railway applications — Gauges — Part 1: General — Definitions and gauges of vehicles
  • UIC 506 Railway vehicles — couplings — Mechanical coupling devices

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