Provision of Transport Analysis Guidance (TAG) Appraisal & Modelling Tools

Department for Transport
London
Open procedure
26 August 2026 to 18 August 2029

The contract involves providing professional support to licensed users of Transport Analysis Guidance (TAG) software, including ad-hoc assistance with sub-models and research-based tools. The scope encompasses maintenance, technical development, and user engagement to ensure the evidence base remains current. The supplier must demonstrate expertise in transport modelling, proficiency in the software's coding language, and the ability to manage a knowledge base and provide training to stakeholders.

Open the official notice

Awarded value: £900k; As published
Published: 16 January 2026
Awarded: 14 September 2026; AtkinsRéalis
Contract length: 36 months; Ends 18 August 2029

What the contract covers

Time-and-materials

Provision of technical support, maintenance, and development services for specialist transport modelling and appraisal software and associated evidence-based tools.

Professional and high-quality service for the Department’s TAG software
Ad-hoc assistance with other tools and sub-models that aid the implementation of TAG
Providing support to licensed users according to the Department’s needs
Maintaining and developing the tools further

Terms and requirements

Contract type: Time-and-materials
Procedure: Open procedure
Initial term: 38 months
Extensions: 12 months
Longest it can run: 50 months
Contract dates: 26 August 2026 to 18 August 2029
Certifications asked for: None stated
Lots: 1
Suitable for SMEs: Yes
Category: Services
CPV codes: 73110000, 71356000, 71311200, 72261000

Services in this contract

Transport modelling and analyticsMain service£61k typicalSupport, maintenance and development of DfT TAG appraisal and modelling tools

Lifecycle

Published
16 January 2026
Contract awardedto AtkinsRéalis
14 September 2026
Contract starts
26 August 2026
Contract ends
18 August 2029

The buyer

Department for Transport

Type: Locked
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Recorded value: Locked
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The supplier

AtkinsRéalis

Contracts won, 24 months: Locked
Value won, 24 months: Locked
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Main buyers

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Cite this contract

Link: https://bidskim.com/tender/343899/provision-of-transport-analysis-guidance-tag-appraisal-and-modelling-tools
Buyer reference: TANL3067
Open contracting ID: ocds-h6vhtk-0607e6
Last checked: 5 November 2026

Department for Transport. Provision of Transport Analysis Guidance (TAG) Appraisal & Modelling Tools. Contract award, 16 January 2026. BidSkim, https://bidskim.com/tender/343899/provision-of-transport-analysis-guidance-tag-appraisal-and-modelling-tools (accessed 5 November 2026).