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Railways, watched along every kilometre.

A railway runs through cuttings, embankments, viaducts and culverts that weather and water work on every day. Track-side sensors for slopes, water, rail temperature and structures report over the railway’s own network to one record the control centre and the infrastructure engineers trust.

Industry

Transport

Measurements

6

Sources cited

7

1. Transport · Railways

   The line between the stations

   Most of a railway is cuttings, embankments, culverts and bridges far from any station. Heavy rain softens a slope, a culvert blocks, a rail heats in the sun. Railways that see these changes along the line can restrict only where needed and keep trains running everywhere else.

2. What is measured

   Slopes, water, rails and structures

   Inclinometers and tilt sensors follow cuttings and embankments; level sensors watch culverts and drains; track-side stations measure rain, wind and temperature; sensors on the rail read its temperature; accelerometers record viaducts as trains pass. Recording runs measure track geometry along the whole line.

   Instruments

   Inclinometers · Culvert levels · Track-side weather · Rail temperature · Structure sensors

3. The base node

   A node in the line-side cabinet

   Each cabinet’s node reads its sensors, signs every value and keeps it through a lost link. It compares slope movement with rainfall and raises an alert when movement accelerates, flags culverts filling and rails heating, and records a structure’s response to each passing train.

4. Radio and links

   The railway’s own network

   Track-side points use the railway’s own mobile network along the line, which also serves operational voice and data. Line-side fibre links equipment rooms, stations and the network’s sites, and small battery sensors on slopes and culverts reach a gateway in a nearby cabinet over LoRaWAN.

   Links

   Private LTE · Fibre · LoRaWAN

5. How it works

   From a moving slope to a speed restriction

   An inclinometer in a cutting reads movement after a night of rain. The cabinet node signs it, sees the movement accelerating and sends an alert over the railway’s network to route control. Control applies a speed restriction, the engineer inspects, and the record keeps every step.

6. From order to operation · Order

   Scope the route and its risks

   The scope reads the route’s earthwork and drainage risk registers, structures of concern, heat and weather history and the railway’s network plans. Nexus Observatory Inc. returns the point plan by section, the radio design on the railway’s own network, the integration with control and asset systems and a price per point and per service.

   Plan a deployment

7. From order to operation · Survey

   Walk the line in possession

   Crews walk sections during booked possessions with the infrastructure manager’s engineers to place points on slopes, in culverts, on rails and on structures. They check coverage of the railway’s network, cabinet sites and power, and record safe access points away from running lines.

8. From order to operation · Permits

   Possessions and product approval

   Every visit to the line needs a possession or safe system of work booked with the infrastructure manager. Equipment beside the track is accepted under the railway’s product approval, including electromagnetic compatibility. Data sharing with operators is agreed in writing.

9. From order to operation · Build

   Build to railway rules

   Sensors, nodes, cabinets and radios are built to the railway’s product approval, tested together and enrolled with their identities. Alert thresholds come from the earthwork, drainage and heat plans, and every part is labelled with its location by line and position.

   Open the Station Builder

10. From order to operation · Install

    Install in the night possession

    Crews install during night possessions: inclinometers in boreholes on slopes, level sensors in culverts, rail temperature sensors on the rail, accelerometers on structures and nodes in line-side cabinets. Each point is located and photographed, and the line is handed back on time.

11. From order to operation · Commission

    Test the alert to control

    Each node proves its identity on the railway’s network. Inclinometers take their baseline, levels are checked against a dip, rail temperature against a reference and structure sensors against a passing train. Alerts are tested end to end to the control centre and the engineer on call.

12. From order to operation · Operate

    Restrict only where the evidence says

    Controllers see slope movement, culvert levels, rail temperatures and weather along the route. Speed restrictions and closures are applied where the evidence calls for them and lifted when it clears, and engineers plan works from trends. Every decision is logged with its readings.

13. From order to operation · Maintain

    Check in the regular possessions

    Points are checked during regular possessions: sensors cleaned, culvert sensors cleared of debris, inclinometers read manually against the record and batteries changed on plan. Every change is recorded, so earthwork series stay continuous through renewals. Spares are held at the depot, so a failed point is replaced in the next possession.

    Book field services

14. Data products

    For controllers and engineers

    Route controllers receive earthwork, culvert and rail temperature alerts; geotechnical, drainage and track engineers receive the series behind them; structures engineers receive response records; weather services receive track-side observations where agreed. Each product carries its location by line and position.

    See the data products

15. Evidence

    Safety cases on evidence

    Every reading, alert, restriction and inspection is signed and kept. Equipment meets railway safety and electromagnetic rules, structure monitoring follows ISO practice, track geometry follows the European standard, and the records support the route’s safety case, so an assessor can trace every decision.

    Drawn against

    EN 50126 · EN 50121 · EN 13848 · ISO 16587 · FRMCS

16. What you get

    Transport and logistics corridor sensing

    Road weather, rail condition, port and cold-chain sensing along corridors, with connectivity where coverage ends. Delivered as managed service and data licence, for transport agencies, rail and port operators, logistics firms. Scale: Corridor to network. Service levels are written as numbers you can measure on your own dashboard.

    Talk to sales

17. Next step

    Plan railways with us

    Tell us the site, the measurements and the rules it answers to. We reply with a survey proposal, a design and a scope for railways. An engineer replies with a survey proposal and a scope, and the plan grows from one site to the network you need, at your pace.

    Plan a deploymentOpen the Station BuilderOpen the Studio

01The place and its hazards

Where it runs, and what can go wrong.

Operating contextInfrastructure managers maintain track, earthworks, structures, drainage and level crossings on lines where trains run most of the day. Heat buckles rails, rain triggers slope failures and floods culverts, and wind and snow close lines. Equipment beside the track must meet railway safety and electromagnetic rules, and railways are moving to their own mobile networks.

Hazards

• Cutting and embankment failures after heavy rain
• Culvert and drainage flooding
• Rail buckling in heat
• Wind, snow and ice on exposed lines
• Work beside running trains

02What must be measured

What, where, how often, and under which rules.

Each measurement names where it is taken, how often, and the public standard or regulation behind it. Numbers in the sources column open the cited source below.

03The observation stack

From one base unit to a network.

The same blocks at every scale: instruments and a base node, a site with its radio, a fleet run as one, and a network federated on the open protocol.

1. 01

   Base unit

   A track-side point: slope, water, rail temperature or structure sensors read by a node in a cabinet that signs every value.

   Build a station →
2. 02

   Site

   A route section: points along it on the railway’s mobile network, with fibre at stations and equipment rooms.

   Plan a site →
3. 03

   Fleet

   Every point of a route run as one fleet, with one calibration process and one record.

   Managed offers →
4. 04

   Network

   Infrastructure managers, operators and weather services exchange alerts and series through open standards.

   The open protocol →

• 01Vibration and condition monitor
• 02Compact weather station
• 03Water level gauge
• 04Fixed camera
• 05Edge node (Wedge)
• 06Cellular modem/router
• 07Small cell (4G/5G)
• 085G core appliance (UPF/core)
• 09Fibre terminal
• 10Solar array

Radio and links

Private LTE

The railway’s own mobile network along the line carries track-side data, and its successor serves operational voice and data.

Radio and links

Fibre

Line-side fibre links equipment rooms, stations and the mobile network’s sites.

Radio and links

LoRaWAN

Small battery sensors on slopes and culverts reach a gateway in a line-side cabinet.

Edge computeEach cabinet’s node watches slope movement against rainfall, raises alerts when movement accelerates, flags culverts filling and rails heating toward their limits, and records structure vibration as each train passes.

PowerCabinets draw from line-side power where it exists, otherwise solar with batteries sized for winter; battery sensors on slopes run for years.

04How it works

From the instrument to the product.

One observation’s path, tier by tier, with the interface on every link and a bill of materials below; then how the one node grows to a site, a fleet and federated networks.

05From order to operation

Every step, from the first call to a running site.

The same crew and the same record carry the work from scope to maintenance.

1. 01 Order

   Scope the route and its risks

   The scope reads the route’s earthwork and drainage risk registers, structures of concern, heat and weather history and the railway’s network plans. Nexus Observatory Inc. returns the point plan by section, the radio design on the railway’s own network, the integration with control and asset systems and a price per point and per service. 2

2. 02 Survey

   Walk the line in possession

   Crews walk sections during booked possessions with the infrastructure manager’s engineers to place points on slopes, in culverts, on rails and on structures. They check coverage of the railway’s network, cabinet sites and power, and record safe access points away from running lines.

3. 03 Permits

   Possessions and product approval

   Every visit to the line needs a possession or safe system of work booked with the infrastructure manager. Equipment beside the track is accepted under the railway’s product approval, including electromagnetic compatibility. Data sharing with operators is agreed in writing. 7

4. 04 Build

   Build to railway rules

   Sensors, nodes, cabinets and radios are built to the railway’s product approval, tested together and enrolled with their identities. Alert thresholds come from the earthwork, drainage and heat plans, and every part is labelled with its location by line and position.

5. 05 Install

   Install in the night possession

   Crews install during night possessions: inclinometers in boreholes on slopes, level sensors in culverts, rail temperature sensors on the rail, accelerometers on structures and nodes in line-side cabinets. Each point is located and photographed, and the line is handed back on time.

6. 06 Commission

   Test the alert to control

   Each node proves its identity on the railway’s network. Inclinometers take their baseline, levels are checked against a dip, rail temperature against a reference and structure sensors against a passing train. Alerts are tested end to end to the control centre and the engineer on call.

7. 07 Operate

   Restrict only where the evidence says

   Controllers see slope movement, culvert levels, rail temperatures and weather along the route. Speed restrictions and closures are applied where the evidence calls for them and lifted when it clears, and engineers plan works from trends. Every decision is logged with its readings. 6

8. 08 Maintain

   Check in the regular possessions

   Points are checked during regular possessions: sensors cleaned, culvert sensors cleared of debris, inclinometers read manually against the record and batteries changed on plan. Every change is recorded, so earthwork series stay continuous through renewals. Spares are held at the depot, so a failed point is replaced in the next possession.

06Data products and integration

What it delivers, to whom, and into which systems.

Data products

• Earthwork movement alertsRoute controllers and geotechnical engineers
• Culvert and flooding alarmsControllers and drainage engineers
• Rail temperature watchControllers and track engineers
• Structure response recordsStructures engineers

Integration

• Route controlAlerts reach control in the formats it already uses, with the readings attached.
• Asset managementSeries join each earthwork, culvert and structure’s record in the asset system.
• Weather servicesTrack-side observations are shared through OGC SensorThings where the railway agrees.

Exchanged through OGC SensorThings API, EN 50126, FRMCS.

07Questions buyers ask

Before you scope it.

Does the equipment need railway approval?

Yes. It is built and installed under the railway’s product approval and safety rules.

Can it use our mobile network?

Yes. Points use the railway’s own network, with fibre at equipment rooms.

Will it reduce speed restrictions?

Restrictions can be targeted where the evidence shows a risk and lifted when it clears.

How are crews kept safe?

Every visit is made in a booked possession or under the railway’s safe system of work.

08Resources

The sources behind this page.

Public standards, regulations and guidance, cited where they apply. Each applies only where its jurisdiction or scope does.

1. 1ISO 4866: Mechanical vibration and shock, vibration of fixed structures, guidelines for measurementInternational Organization for Standardization
2. 2EN 50126: Railway applications, reliability, availability, maintainability and safetyEuropean Committee for Electrotechnical Standardization
3. 3Guide to Instruments and Methods of Observation (WMO-No. 8)World Meteorological Organization
4. 4Guide to Hydrological Practices (WMO-No. 168)World Meteorological Organization
5. 5ISO 16587: Mechanical vibration and shock, performance parameters for condition monitoring of structuresInternational Organization for Standardization
6. 6EN 13848: Railway applications, track geometry qualityEuropean Committee for Standardization
7. 7EN 50121: Railway applications, electromagnetic compatibilityEuropean Committee for Electrotechnical Standardization

09Related

Use cases and solutions.

10Transport: specialized fields

Other fields of this industry.

Bring us the site.

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