Railway Survey Services

Surveying work on or near operational railway land comes with its own set of challenges – restricted access windows, strict safety requirements, and the need for non-intrusive methods that don’t disrupt live infrastructure. We carry out railway surveys across GPR utility mapping, topographical surveys, and drainage inspection, giving contractors and engineers an accurate picture of what lies beneath and around the track before design or construction work begins.

Our Railway Survey Capabilities

Our team uses ground penetrating radar and electromagnetic detection to map buried services and utilities along railway corridors, identifying signalling cables, drainage, and other infrastructure without the need for excavation. This is combined with topographical surveys to record levels, boundaries, and existing features across the site, giving a complete dataset for design teams working on renewals, upgrades, or new build schemes.

Working to Rail Industry Requirements

Surveys carried out on or near the railway are planned around possession windows and site-specific safety requirements, with our surveyors experienced in working within these constraints. Every survey is delivered with more than 3 decades of surveying experience behind it, using SSIP and ISO accredited processes, and Safe Contractor, CHAS, and Constructionline approved working methods — giving contractors accurate results at competitive rates without compromising on safety.

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Popular surveys trusted by industry professionals.

Popular surveys trusted by industry professionals.

PAS128 Surveys

PAS128 surveys provide accurate underground utility mapping to reduce risk and delays.

GPR Surveys

GPR surveys identify hidden underground features to support safer site development works.

Topographical Surveys

Topographical surveys provide accurate land and site data to support planning and design.

Ferro Scanning

Ferro scanning and GPR rebar mapping surveys locate hidden steel and concrete details.

CCTV Surveys

CCTV drainage surveys and jetting identify blockages and assess pipe conditions fast.

Utility Search Packs / PAS128 Type D

Desktop utility search packs provide essential PAS128 Type D underground asset data.

RAILWAY SURVEY FAQ’S

Yes. Our surveyors plan work around possession windows and site-specific access arrangements, ensuring surveys are carried out safely and in line with rail industry requirements without disrupting live operations.

We use ground penetrating radar and electromagnetic detection to map buried services non-intrusively, alongside topographical surveys to record levels and site features. The methods used depend on the scope and location of your project.

Yes. Railway projects often need more than one survey type, and we regularly deliver combined packages covering utility mapping, topographical surveys, and CCTV drainage inspection as part of a single site visit where practical.

We carry out railway surveys nationwide, working with contractors and engineers on projects across the network from our Essex base.

Yes. Survey data is processed into formats that align with the requirements of rail design teams, including CAD drawings and reports suitable for onward use in engineering design.

Our surveyors work to SSIP and ISO accredited standards, and are Safe Contractor, CHAS, and Constructionline approved, meeting the compliance requirements expected on rail infrastructure sites.

This depends on the scope of the project and access arrangements, including possession windows where relevant. We’d recommend getting in touch as early as possible in the planning stage to confirm timescales.

Have Any Questions?

If you have any questions regarding our services feel free to contact the Subvision team.