Projects
Programs of consequence.
A selection of the infrastructure programs Optiflow has delivered across Europe. Filter by sector, region, or status to explore the practice.
Showing 12 of 12 programs.
Western Fjords Coastal Motorway Upgrade
Full upgrade of a 78 km coastal motorway corridor along the Western Fjords, including three new tunnels, six major viaducts, and reconfiguration of two interchange complexes to the region's growing energy hub.
Case study
Northern Carpathians Rail Electrification
Electrification of 142 km of single- and double-track rail across mountainous terrain, including 46 new overhead-line masts per kilometre, six substation upgrades, and full ETCS Level 2 signalling integration.
Case study
Atlantic Gateway Container Terminal Expansion
Doubled the terminal's annual TEU capacity through a new 720 m quay, deepened approach channel, six new ship-to-shore gantries, and a full terminal operating system cutover while the existing terminal remained in continuous operation.
Case study
Lower Delta Flood Resilience Program
Program of dyke reinforcements, storm-surge barrier upgrades, and pumping-station renewals across a 60 km delta corridor, engineered to a 1-in-10,000-year design storm.
Case study
Eastern Alps Tunnel Package
Twin-bore road tunnel of 11.4 km through complex Alpine geology, delivered as a Design-Build contract with target-cost mechanics and integrated ventilation and safety systems.
Case study
Central Lakes Onshore Wind Grid Interface
New 400 kV substation, 32 km of underground transmission cable, and grid-code compliance package delivering 480 MW of onshore wind capacity to the Swedish transmission network.
Case study
Southern Małopolska Ring Road Segment
24 km dual-carriageway ring-road segment with four grade-separated interchanges, two river crossings, and full environmental mitigation package.
Case study
Coastal Capital Metro Extension
6.2 km metro extension with four new underground stations, cut-and-cover box structures, and a rolling-stock depot expansion, delivered through a dense historic city centre.
Case study
Rhineland District Heating Backbone
88 km district-heating transmission backbone connecting industrial waste-heat sources to three urban distribution networks, displacing 340,000 tonnes of CO₂ annually at design load.
Case study
Dalmatian Coast Water Reuse Facility
New water reclamation and reuse facility with 68,000 m³/day capacity, MBR treatment train, and 24 km of distribution main serving coastal agriculture during peak-demand months.
Case study
Øresund Region Harbor Tunnel Advisory
Independent commercial, cost, and schedule advisory to the sponsor of a proposed immersed-tunnel harbour crossing, through options appraisal, procurement strategy, and FID readiness.
Case study
Northern France Rail Bridge Renewals
Renewal of 14 rail bridges across a 210 km freight and passenger corridor, delivered through weekend possessions with continuous service maintained on the parallel track.
Case study