SRTM Model

Introduction to the SRTM Model

The Solent SRTM is fully WebTAG-compliant and is capable of providing outputs which can robustly support the development of transport strategies and schemes, provide information to support development of funding bids and business cases, and can inform land use strategies and development transport assessments.

SRTM is operated by SYSTRA consultancy under contract to Solent Transport. Since its development in 2010, SRTM has been a key resource supporting securing several hundred million pounds of transport funding in the Solent and planning its delivery. SRTM has also informed numerous Local Plans, major development transport assessments and transport strategies and studies. The model represents a base year of 2019,  and can be used for modelling of transport and land use scenarios for years through to 2041.

Model user guide and application form

A user guide, providing key information for potential users of the model and an application form for access to the model are provided below.

Additionally, GIS Shapefiles for the model's zone system and RTM network (for the 2041 year reference case) are available via the links below.

Model development, validation & calibration

As the key transport evidence base for the Solent, the SRTM is supported by a number of technical reports. These provide background information on the development of the SRTM, including surveys and calibration and validation, to demonstrate that the SRTM is compliant with Government appraisal guidance.

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Reports for the latest version of the SRTM (2019 base year) can be accessed via the links below:

2019 Model Calibration and Validation Note View PDF + 2019 Model Calibration and Validation Note – Appendix 1 View PDF +

Reports for the 2015 version of the SRTM can be accessed via the links below:

Road Traffic Model: Model Development & Validation Report and appendices View PDF + Public Transport Model: Calibration & Validation report View PDF + Model Forecasting Report View PDF + Main Demand Model - Model Development and Validation Report View PDF + Reference Cases 2018/19 - Update Report View PDF +

The reports below refer to the 2010 base year model.

The reports below refer to the 2010 base year model. This version of the SRTM is now superseded by the 2015 base year model and latest 2019 base model (see above). Some of the content of the 2010 reports is still relevant to the 2015 and 2019 base models.

Road Traffic Model: Model Development & Validation Report and appendices View PDF + Public Transport Model: Calibration & Validation report View PDF + Model Forecasting Report View PDF + Main Demand Model - Model Development and Validation Report View PDF + Reference Cases 2018/19 - Update Report View PDF +