Belgrade–Niš Railway
Engineering Geospatial Foundation
Belgrade–Niš Railway combines precision control, airborne LiDAR/imaging, photogrammetry, field/tunnel survey, 1:1,000 engineering products and expropriation design within an international design-team context.
A long railway corridor demands one reliable spatial reference
The Belgrade–Niš modernization programme required a consistent engineering-geospatial basis for design of a railway planned for speeds up to 200 km/h. Earlier topographic bases existed on some sections, but parts were created for an earlier design stage and did not fully resolve structures and detailed corridor requirements. The geodetic work therefore combined a common project reference system and survey network with new airborne LiDAR/imaging, photogrammetry, supplementary field/tunnel survey and later cadastral/expropriation design.
A reliable reference framework before engineering data is produced
A common horizontal and vertical reference connected precision control, acquisition and engineering production across the documented railway work packages.
Capturing a railway corridor from air, track and ground
Open corridor sections, structures and tunnel environments required a coordinated combination of airborne and terrestrial acquisition methods rather than one survey technique.
Airborne LiDAR & aerial imaging
Four airborne missions created the core reality-capture dataset, followed by trajectory processing, strip alignment, georeferencing, colourization and aerial triangulation.
Purpose-built acquisition
Four airborne acquisition missions followed by trajectory, strip, point-cloud and aerial-triangulation processing.
Engineering detail where imagery alone is not enough
Structures, crossings, watercourses and constrained railway locations were completed with targeted GNSS and total-station observations and direct engineering interpretation.
Capturing railway geometry where airborne methods cannot reach
Rail-mounted mobile mapping extended reality capture into tunnel and constrained railway environments and produced dense three-dimensional geometry for engineering use.
From captured reality to engineering information
LiDAR, imagery and field measurements were adjusted, interpreted and combined through photogrammetric and geospatial production workflows before becoming design-ready data.
- 01Define project datum and transform state control
- 02Stabilize and observe the engineering network
- 03Establish GCP and LiDAR control fields
- 04Acquire airborne LiDAR and imagery
- 05Process trajectories, strips, point clouds and aerial triangulation
- 06Produce DTM, orthophoto and 1:1,000 DTP with field completion
- 07Translate design boundaries into expropriation packages
Engineering-ready geospatial products
Raster, terrain, point-cloud and vector products formed a coordinated spatial basis for railway design and subsequent engineering work.
Digital Orthophoto
Final georeferenced orthophoto with positional/radiometric controls.
TIFF/TFW; ECW
Digital Terrain Model
Engineering terrain model from LiDAR, stereorestitution and field supplements.
1:1,000 · DWG 2010 / TIN
Digital Topographic Plan
Stereo-mapped and field-completed engineering vector data.
1:1,000 · DWGQuality you can measure
The final studies document formal controls of the geodetic network, LiDAR alignment and height, terrain model, orthophoto position and topographic-data consistency.
A spatial foundation designed to continue into engineering and construction
The completed geodetic/topographic work packages created a common engineering reference and current CAD-ready spatial basis for railway design and later construction surveying. The confirmed 2025 expropriation packages translate design boundaries and official cadastral data into property-acquisition documentation for two corridor packages.
Extending the geospatial basis into land acquisition
Confirmed 2025 work packages translated design boundaries and official cadastral inputs into parcel documentation and analytically defined expropriation lines.
What this project proves
Belgrade–Niš Railway demonstrates MapSoft's ability to deliver the specialist geospatial layer of a major international railway-design programme from coordinate framework and precision control through multisensor acquisition, photogrammetry, engineering mapping, rigorous QA and expropriation design, while preserving the exact subcontractor boundary.
Engineering geospatial reliability from datum to design and land acquisition.
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