S30075e Third Generation Trans-Pennine South Regional Traffic Model Build

National Highways Limited · awarded 22 May 2026

Who

Buyer	National Highways Limited Birmingham
Supplier	Ove Arup
Category	services
Classification	Development consultancy services CPV 73220000
Notice published	25 May 2026

What it is for

In brief, this project seeks to update the TPSRTM2 model to a new baseline of 2025 and provide a new set of forecasts. The baseline will reflect post-COVID travel conditions which will then be carried through into the forecasts. The refreshed models will then provide a better evidential basis to support their existing use cases, as well as new and emerging use cases, as detailed in Section 110. The models are required to be developed as far as is practicable in accordance with the guidance contained in TAG. The models should be calibrated and validated in line with the criteria developed for the second RTMs, with the intention to equal or improve on the second generation RTMs' calibration and validation performance. While delivering the service, the Consultant will: - Lead upon the Network Technical Consistency Group. The main activities in the Network TCG will be ensuring a consistent approach to reviewing and updating networks is adopted by each RTM. - Lead upon the Forecasting Technical Consistency Group. The main activities under the End User TCG will be to agree upon the forecasting methodology utilised in RTM3 and ensuring a consistent approach to realism testing. - Input into the other Technical Consistency Groups led by other RTM3 model developers, providing critical challenge and following agreed upon methods. - Update the TPSRTM model networks in alignment with the advice set out by the Network TCG. - Update the TPSRTM forecasts in alignment with the advice set out by the Forecasting TCG. - Provide TPSRTM3 Handover Packages, including the final calibrated and validated models, as agreed in the End User TCG. While delivering the service, the Consultant must provide the following deliverables: - A Transport Data Package report detailing the data used in the…

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