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    Aecom’s Bakerloo line depot study: layout and capacity notes for rail engineers

    August 6, 2026|

    Reviewed by Joe Ashwell

    Aecom’s Bakerloo line depot study: layout and capacity notes for rail engineers

    First reported on New Civil Engineer

    30 Second Briefing

    Aecom has been appointed by Transport for London to deliver a feasibility study for new depots and sidings to support the Bakerloo Line Upgrade and the introduction of a modern train fleet. The work will examine options for stabling, maintenance and turnback capacity on a constrained deep Tube alignment, where existing facilities at London Road and Queen’s Park are already heavily utilised. Outcomes will shape land-take, track layout, power and signalling interface requirements that contractors and designers will need to accommodate in later GRIP stages.

    Technical Brief

    • Land-take analysis must factor safeguarding of adjacent Network Rail assets and utilities corridors.

    Our Take

    Aecom’s role on the Bakerloo Line Upgrade sits alongside a run of UK and European infrastructure design wins in our database, including the New Lisbon Airport preliminary design and National Highways’ Water Quality Plan, signalling that it is consolidating its position as a go‑to technical partner for complex public‑sector transport assets.

    Aecom’s recent work on demountable structures such as the 2026 Serpentine Pavilion in London indicates it is actively developing modular and constructability‑focused design capabilities, which are likely to feed into depot and sidings feasibility where staging, possession windows and reconfigurability are key constraints for the Bakerloo Line Upgrade.

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    Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

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