Projects
Selected projects from our work since 2002. The landmark projects are confirmed by certificates of good performance from the clients, and each one states the role in which TRANSGEO worked.
LANDMARK PROJECTS
Confirmed by our clients
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Construction of 8 new deep-type century levelling benchmarks
Survey and approval of the sites, construction and stabilisation of the benchmarks, GNSS determination of their coordinates and heights, technical report, coordinate register and benchmark records.
- 8 benchmarks
- deep type
- GNSS measurements
Role Contractor
“The work has been accepted in full and without remarks.”
Certificate of good performance — Geodesy, Cartography and Cadastre Agency, 2026 -
Plovdiv station, 2007 · Photo: Bahnfrend, CC BY-SA 4.0
Modernisation of Plovdiv station and a road and pedestrian underpass beneath the railway area
Technical and detailed design in all parts — from surveying, track, overhead line and signalling to structures, architecture and fire safety — for the station and the underpass; as-built documentation and designer’s supervision.
- technical and detailed design
- 2 building permits (2021)
- 2 public transport stops in the underpass
Role Subcontractor to the Proekt Plovdiv consortium under the design contract
“…expresses its satisfaction with the work of TRANSGEO EOOD and its design team.”
Certificate of good performance — Proekt Plovdiv consortium -
Gyueshevo station, 2018 · Photo: Phil Richards, CC BY-SA 2.0
Modernisation of the Radomir – Gyueshevo – border with the Republic of Macedonia railway line
Update of the pre-design studies and the conceptual design, technical design in all parts — surveying, geology, track, stations, tunnels, structures and more — technical passports and cadastral maps and registers.
- ~74 km of new line
- up to 160 km/h
- 9 tunnels
- over 20 bridges and viaducts
Role In a consortium: Evrotransproekt – Transgeo, 25% share
“…completed the stages, tasks and activities described above to a high standard and on time.”
Certificate of good performance — National Railway Infrastructure Company, 2026 -
Tram track on Konstantin Velichkov Blvd. and Vazkresenie Blvd., Sofia
Conceptual design for the reconstruction of the route from Slivnitsa Blvd. to Nikola Mushanov Blvd. — for mixed tram and bus traffic.
- conceptual design
- 7 parts
- 600 V DC overhead line
Role Contractor
“The activities assigned under the contract were completed to a high standard and on time.”
Certificate of good performance — Stolichen Elektrotransport EAD, 2025 -
Fibre-optic cable network and digital equipment on railway line 5, Radomir – Blagoevgrad section
Conformity assessment of all parts of the investment project and obtaining the building permit (2017), followed by construction supervision during the works.
- 76 km
- category I construction
- 8 parts
Role In a consortium: Obedinenie ERTE with Rubikon Inzhenering EAD
“The obligations under the contract have been fulfilled professionally, to a high standard and on time.”
Certificate of good performance — National Railway Infrastructure Company, 2019 -
Preliminary studies for a rail link between Burgas Airport and Sunny Beach
Survey and engineering studies, a traffic forecast, route options and the choice of the main option, a cost estimate, a schedule and the terms of reference for the conceptual and technical design — for a link to Sunny Beach and Sveti Vlas.
Role Contractor
“…fulfilled its obligations under the contract professionally, to a high standard and on time.”
Certificate of good performance — National Railway Infrastructure Company, 2017 -
Rail link between Burgas station and Burgas Airport: studies and conceptual design
Topographic survey, geological and hydrogeological studies from Vladimir Pavlov station to Sarafovo station, and a conceptual design for the Track part (with route options) and the Surveying part.
Role Contractor
“…skills and experience in studies and conceptual design of new railway lines.”
Certificate of good performance — National Railway Infrastructure Company, 2017 -
Rehabilitation of the Plovdiv – Burgas railway section, Phase 2: technical assistance
Pre-design studies, conceptual and technical designs, cost-benefit analysis, detailed development plans and cadastral maps and registers for the Plovdiv, Stara Zagora, Sliven, Yambol and Burgas regions.
- 12 sub-projects
- cadastre in 5 regions
Role Lead partner in the Trakia Consult consortium
“…recommends the company as a reliable and responsible contractor.”
Certificate of good performance — National Railway Infrastructure Company, 2022 -
Detailed development plan for the intermodal terminal in Plovdiv
Regulation and development plan and land parcel plan for the terminal site in the Kamisha area, Zlatitrap village — with approvals from the authorities and endorsement by the Ministry of Regional Development.
- 6 ha
- approved by the Ministry (2012)
Role Contractor
“…did an excellent job and on time.”
Certificate of good performance — National Railway Infrastructure Company -
Reconstruction and electrification of the Plovdiv – Svilengrad railway line, Harmanli – Svilengrad section
Design as a subcontractor — technical and detailed designs approved by the supervisor and the client — and designer’s supervision during construction.
- ~38 km
- 3 stations and 2 stops
- 160 km/h
- to the Turkish and Greek borders
Role Design subcontractor
“…recommends … their experienced team of designers.”
Certificate of good performance — National Railway Infrastructure Company, 2015 -
Modernisation of the Septemvri – Plovdiv railway section, Stamboliyski – Plovdiv
Design and expropriation procedures as a subcontractor to PORR Bau GmbH, and designer’s supervision during construction.
- ~16 km of double track
- Todor Kableshkov station
- 160 km/h
Role Subcontractor to PORR Bau GmbH
Certificate of good performance — National Railway Infrastructure Company, 2015
ARCHIVE
More completed projects
Projects from 2002 to 2018, with the client and the period of work.
- 2017–2018Rehabilitation of the Straldzha – Tserkovski railway section, part of the project “Rehabilitation of the railway infrastructure on the Plovdiv – Burgas railway line – Phase 2”National Railway Infrastructure Company (NRIC)
- 2015–2017Preparation of a detailed site development plan and technical design of the railway section Elin Pelin – IhtimanNational Railway Infrastructure Company (NRIC)
- 2014–2016Creation of cadastral map and cadastral registers for the territory of the Vazrazhdane district of Sofia MunicipalityGeodesy, Cartography and Cadastre Agency
- 2014–2016Construction of an intermodal terminal in the South Central Planning Region in Bulgaria – PlovdivNational Railway Infrastructure Company (NRIC)
- 2013–2017Conformity assessment and construction supervision for the project “Rehabilitation of the station complex of Central Station Sofia”, Phase 1National Railway Infrastructure Company (NRIC)
- 2013–2014Mechanised renewal of track No. 2 on the Ilientsi – Kurilo section, from km 5+584 (end of switch No. 3) to km 12+090 (end of switch No. 8), 6506 m long, railway line No. 2Zhelezen Pat 2012–2016 consortium
- 2013Mechanised renewal of track No. 2 on the Svoge – Bov section, from km 33+485 to km 41+578, 8093 m long, railway line No. 2Inzhproekt Ltd
- 2012–2013Reconstruction and drainage of the entrance railway station throat of Asparuhovo StationSO KRAM KOMPLEX consortium
- 2012Emergency mechanised restoration of track No. 2 on the Zverino – Mezdra South section, from km 71+102 (end of switch No. 3) to km 85+320 (end of switch No. 6), 14,218 m long, railway line No. 2SE Transport Construction and Recovery
- 2011–2012Emergency mechanised renewal of track No. 1 on the Bov – Lakatnik section, from km 42+395 to km 48+845, 6450 m long, railway line No. 2SE Transport Construction and Recovery
- 2011Reconstruction of the catenary at the closed Vlado Trichkov station, detailed design phaseTBS 2012–2016 consortium
- 2011–2012Emergency mechanised renewal of track No. 2 on the Eliseyna – Zverino section, from km 64+672 to km 70+028, 5356 m long, railway line No. 2National Railway Infrastructure Company (NRIC)
- 2010–2011Amendments to the Detailed Development Plan of the town of Parvomay (PR), Detailed Development Plan of the Lyubenovo Complex, Parvomay and the plot plan of the village of KaradzhalovoNational Railway Infrastructure Company (NRIC)
- 2009–2010Creation of cadastral map and cadastral registers for the territories of the lands of the town of Zlataritsa and the village of Kalaydzhii, Zlataritsa municipality, Elena court Region, Veliko Tarnovo DistrictGeodesy, Cartography and Cadastre Agency
- 2009–2010Technical assistance for rehabilitation of the railway line Ruse – Varna (TEN-T)National Railway Infrastructure Company (NRIC)
- 2009–2010Technical assistance for the construction of an intermodal terminal in the South Central Planning Region in Bulgaria – Plovdiv, Ref. No. 2007-BG-90304-S (Corridors IV, VIII, X – Branch C)National Railway Infrastructure Company (NRIC)
- 2009–2010Technical assistance for the development of Sofia Railway Junction (Corridors IV, VIII, X)Ministry of Transport, Information Technology and Communications
- 2008–2010Technical documentation for the preliminary studies and the preliminary design of the Corridor 8 railway line – section Kichevo – border with AlbaniaMacedonian Railways – Infrastructure Sector, Republic of Macedonia
- 2008–2009Establishment of the cadastral map and cadastral registers for the land of the National Railway Infrastructure Company along the Birimirtsi – Poduyane-Razpredelitelna railway lineNational Railway Infrastructure Company (NRIC)
- 2008–2013Overhaul of tunnel No. 3 on the third main railway line – research, design and construction (engineering)National Railway Infrastructure Company (NRIC)
- 2008–2011Establishment of the cadastral map and cadastral registers for the NRIC land along railway line No. 3, in the section from km 102+740 to Karlovo railway station, Plovdiv District, with separation of private from public state propertyNational Railway Infrastructure Company (NRIC)
- 2007Trade and Entertainment Centre, situated on Regulated land plot (RLP) IX-1185, Zadgarova arteria zoneRiofisa Bulgaria Ltd
- 2007–2008Pre-investment study for the project “Doubling and electrification of the Karnobat – Sindel railway line” (Corridor VIII)National Railway Infrastructure Company (NRIC)
- 2007–2009Technical assistance for the upgrading of the Vidin – Sofia railway line, Bulgaria (EuropeAid/123477/D/SER/BG) (Corridor IV)Ministry of Transport, Information Technology and Communications
- 2006–2008Development of a cadastre map and registers of the real estate property of NRIC in the area of Kazanlak railway station in compliance with the Law on Cadastre and the Land RegisterNRIC — PEPZhI Stara Zagora
- 2006–2007External electrification – new Complete transformer station, middle voltage cables and low voltage cables at residential building in Regulated land plot (RLP) No. I-512 a, b, v, quarter of 27, area “Gardova glava”Boyana Resort Ltd
- 2006Administrative – residential building in regulated land property VII-17Ridzhant Balkan EOOD
- 2006Terminal (loading platform) at Zimnitsa station, Straldzha municipality, Yambol regionSE Transport Construction and Recovery
- 2006–2007Increasing the traffic capacity by improving the railway track parameters and increasing the project speeds of the Sofia – Karlovo – Zimnitsa line (National Network)National Railway Infrastructure Company (NRIC)
- 2005–2006Creation of GMMP of Court district Kotel and digitising and analysis of the cadastre plans and registers of the urbanised territories of Kotel municipality and Nova Zagora municipality, section ICadastre Agency
- 2005–2006Warehouse for raw materials, packaging materials and finished products of the tablet production unit of MEDICA JSC at the manufacturing site in the town of SandanskiMedica JSC
- 2003–2004Creation of cadastre map and registers for Lot 14 – town of Chepelare, Progled village, Stoykite village in the “GD Cadastre – 2003” consortiumCadastre Agency
- 2003–2004Quality control of the results from the work of digitising and analysis of cadastre plans and registers for the urbanised territories and the work on creating the cadastral map and cadastral registers (CMCR) of the Yambol regionCadastre Agency
- 2002–2003Creation of bearing geodetic networks with local function and a cadastre map and registers for the court district of DupnitsaCadastre Agency
- 2002Geodetic survey – RRTS Snezhanka, RRTS Sheinovets, RRTS Botev – tower and ZhR beam, RRTS Orelyak and RRTS VidenBTC EAD — Radio and Television Stations
- 2002Development of cadastre map and registers for the real estate property of NRIC in the section Simitli – Kulata/PetrichNRIC, Head Office
- 2002Control geodetic measurements of the construction of the Danube bridge at RuseNRIC — PEPZhI Ruse