DfT register of business critical models – April 2021

1A303 Stonehenge SWRTM DCO Traffic ModelThe model is a traffic model created to generate the forecasts of traffic that will use the A303 Amesbury to Berwick Down scheme upon opening and during the design life of the scheme. It supports the scheme through Statutory Consultation, the Development Consent Order application and the production of the Full Business Case.2A428 Black Cat to Caxton Gibbet DCO ModelThe model is a traffic model created to generate the forecasts of traffic that will use the A428 BC-CG scheme upon opening and during the design life of the scheme. It supports the scheme through Statutory Consultation and Development Consent Order application.3Active Mode Appraisal Toolkit (AMAT)The toolkit estimates the benefit-cost ratio for cycling and walking schemes following the assumptions and methods set out in TAG Unit A5.1 active mode appraisal.4Air Travel Trust (ATT) Fund – Cash Flow ModelThis model tracks and forecasts the balance of the Air Travel Trust Fund.5ALCRMAll Level Crossing Risk Model (ALCRM) is a risk score calculator used as a basis for forming comparisons for Level Crossing on the Infrastructure.6Availability WorkbenchAvailability Workbench is specialist system availability modelling software that uses Reliability Block Diagram (RBD) to model system configurations for complex rail systems.7Aviation modelThe model forecasts aviation passenger demand, air transport movements and carbon emissions. It can also output estimated user benefits attached to an airport capacity scheme.8Baseline Operational Cost Model (BOCM)Provides a robust estimate of the operational costs of HS2.9Bentley LEGIONThe software is used to assess passenger flows in stations, test network change scenarios at individual stations, support the development of better station designs and undertake safety validation of station layouts. This analysis is then used in economic appraisals and strategic cases for change.10Biofuels ModelThe model is used to assess the impacts of an increase in the use of renewable fuels in transport, including the cost on suppliers and motorists and the benefits from reduced GHG emissions.11Bridges Tier 1 ModelThe model forecasts the future work requirements and condition of Network Rail’s 25,000 underline and overline bridges. Applies degradation at component level and performs work interventions within given budgets at either national or individual route level.12 CBA ToolNR tool for quantifying safety benefits of a decision (CBA). The tool does not make the decision; it helps users to review the issues and factors that influence the decision.13CobaltSoftware calculating the impact on accidents as part of an economic appraisal of a road scheme in line with transport analysis guidance.14Common Consequence ToolThe tool provides a method for estimating the potential safety consequences (fatalities and injuries to train occupants) arising from a train derailment, independent of the cause of derailment.15Common Risk Scoring Matrix for Safety (CRSM4S) CRSM4S can compare the various assets, functional and operational event risks on a constant basis. The tool does not make the decisions; it helps users to identify assets and events of high safety risk that can influence their decisions.16Concessionary Travel Reimbursement ToolThe model is used by independent adjudicators acting on behalf of the Secretary of State for Transport in arbitrating disputes between Travel Concession Authorities and operators.17Consolidated FundingA model used for financial modelling and HS2 funding consolidation.18 COVID Arrivals Policy Testing Simulation (CAPTS)The model tracks a cohort of travellers through their journey, from pre-departure to arrival in the UK and eventually into the community. The outputs measure the effectiveness of the policies in place stopping infected individuals from entering the community.19 COVID Bus Service Support Grant (CBSSG) ModelThe tool allows users to estimate the funding gap between operating costs and revenues for the bus sector in England, outside of London, to produce estimates of funding support. The estimated funding support is used in the CBSSG calculator to estimate the CBSSG rate paid to each operator.20 COVID Forecasting ToolCreates 3 scenarios of potential rail demand in the short, medium and long term. The projected demand is in response to both the spread and impact of COVID, behavioural changes and economic factors.21Crossrail Greater London Authority (GLA) Tranche one interest modelInterest and principal repayment model in spreadsheet format for tranche one of the GLA Loan. The objective is to understand:
1. When and how much to invoice to GLA in terms of principal and interest payments
2. The impact on budgets for finance22Crossrail Investment ModelThe CIM assembles cost outturns and estimates for different components of the Crossrail project.23Crowding ModelThe crowding model is used to estimate the socio-economic impacts of changes to crowding and capacity in line with DfT TAG.24Cycling and Walking Investment Strategy (CWIS) modelProjects the number of cycling, walking and walk to school stages generated by different levels of active travel spending.25 DCF Appraisal TemplateThe discounted cash flow model is used for calculating benefits and costs for a business case appraisal.26 DCF Investment Model (Property)Model is used to appraise property investment appraisals relating to arch and retail refurbishments and other related opportunities. The report also generates incremental cashflows by year for a maximum period of 25 years.27Demand Driver Generator (DDG) network of modelsThis network of models is a series of spreadsheet tools used to come up with a standard set of exogenous inputs to be used in rail elasticity based forecasting.28Departmental Pay modelThis model is used to cost the annual pay award for staff in the central DfT and its executive agencies.29 DfT CTRL Model Master SheetCalculates cash and non-cash movements on financial instruments issued by CTRL Section 1 Finance plc.30 DIADEM (Dynamic Integrated Assignment and Demand Modelling)A generic software package that enables practitioners to easily set up variable demand models in accordance with the advice provided in TAG. This tool provides a simple way to link highway assignment models to a variable demand model.31Discounted Cash Flow ModelThe model calculates appraisal outputs for rail enhancements.32 DMRB Air Quality ModelSpreadsheet model used to undertake air quality modelling of roads.33Electric Car Cost model (ECCo)The ECCo model is a tool used to produce projections of ultra-low emission vehicle costs and uptake to 2050.34Electrification and Plant Tier 1 whole lifecycle cost modelForecasts electrical power asset renewal costs, volumes and outputs (sustainability) over 35 years. Output informs electrical power renewal strategy and sustainability.35Engineering Safety ALARP (As Low As Reasonably Possible) ModelThe model discounts safety benefits and costs of safety measures according to well established methods for comparison and decision making.36Exogenous Demand Growth Estimator (EDGE) EDGE is a rail demand model used to calculate estimates for rail growth rates using any relevant demand driver. Typical drivers include GDP, population and employment. These growth rates are using in rail modelling and the forecasting of demand.37Finance Budget ModelHandles the Vehicle Certification Agency’s (VCA) diverse portfolio of business-related activities. Based on spreadsheets which track VCA’s current position and predict future income and costs.38General Lighthouse Fund Long-Term Forecast ModelThe model produces a 10 year forecast of the General Lighthouse Fund cash reserves. It is used to predict the performance of the fund, sensitivity test the fund’s resilience to changes in external factors and achieve DfT’s strategy of maintaining stability in light dues rates.39Greater London Authority (GLA) Loan for Crossrail Model – Commitments 2 and 3Interest and principal repayment model in spreadsheet format for tranches 2 and 3 of the GLA Loan. The objective is to understand:
1. When and how much to invoice to GLA or TfL in terms of principal and interest payments
2. The impact on budgets for finance40Greener Bus ModelThe tool allows users to estimate the cost benefit cost ratio (BCR) of different bus models (hybrid, zero emission) compared to diesel. The model takes into consideration differences in upfront capital costs, infrastructure, operating costs, and environmental benefits.41Highways England Regional Traffic ModelsConsists of 5 strategic SATURN highway models covering the entirety of England. The models focus on the strategic road network.42Highways England VOC and VOT SpreadsheetConverts the various data provided by DfT’s TAG data book into standard travel cost inputs (pence per km, pence per minute) for traffic models. The purpose is to ensure a standardised approach to a series of complex calculations used by a range of different users in the supply chain.43Highways Maintenance Funding Needs Element Formula modelThe model is used to allocate highways maintenance funding between local authorities.44 HS2 Economic Case Capex ModelThe primary purpose of the model is to take HS2 capital expenditure (capex) cost data and apply transformations such as discounting to produce economically transformed capex cost forecasts for HS2.45 HS2 Enterprise Data PlatformData platform used to process and structure project controls and other delivery system data to enable automated performance reporting and business performance decisions.46 HS2 landscape appraisal modelThis model aims to estimate the monetised impact of landscape changes from large rail schemes.47 HS2 Property Cost ModelThe model is used to forecast the financial cost to DfT arising from discretionary property compensation schemes along the consulted HS2 line of route.48Imperfect Competition Airline Model (ICAM)The core of this model is constituated by a standard monopolistic competition framework that tries to predict individual airlines’ responses to changes in market structure and their cost base or demand. The model covers the air passenger market only (no freight).49Indirects Allocation ModelFinancial model allocating all forecasted indirect and corporate costs to each phase of the project to inform indirect cost element of baseline costs50Infrastructure Cost Model (Buildings)The model allocates capital renewal expenditure between assets, according to short-term requirements (based on current condition) and asset management policy (prioritising more critical assets). Renewals are estimated for the medium term (next 5 years) and the long-term (whole life cycle).51Infrastructure Cost Model (Signalling)The model takes inputs of signalling asset data, condition and plans for current work, and estimates the impact of the plans on future condition, capital spend and work volumes and forecasts maintenance, reliability, safety and spend on signaller heads. Allows NR to establish their most preferred plans for investment and provides assurance to the rest of the business and industry regarding the necessity and sufficiency of those plans.52Infrastructure Cost Model (Telecoms)Telecoms Tier 1 model for calculating future costs from telecoms renewals and estimate residual life of telecoms assets for the next 35 years.53Integrated Transport Block Formula modelThe model which underpins the integrated transport block allocations for 2015 to 2022.54Local Bus ModelA policy simulation model for economic cost benefit analysis of the bus market. Capable of estimating impacts of policy interventions, such as subsidies. This is used to inform policy decisions related to the level Bus Service Operator Grant (BSOG), such as the rate.55Lower Thames Area Model (LTAM) traffic modelThis is a traffic model created to generate the forecasts of traffic that will use the Lower Thames Crossing scheme upon opening and during the design life of the scheme. It is supporting the scheme through statutory consultation and the Development Consent Order application.56Matrix Charging ModelThe model is used to calculate the core Police Service Agreement (PSA) charges for the Network Rail, Amey Keolis Infrastructure Limited, train operating companies and train freight companies that fund the British Transport Police (BTP).57MOIRAMOIRA is an industry-standard model, used for analysing changes in timetables and rolling stock initiatives and the monetisable impact of these changes on train loads and revenue allocation between train operating companies. The model is an assignment of demand to trains tool and is often a core model used to construct revenue models for franchise operations.58MOIRA (Network Rail version)MOIRA is a rail timetable model which calculates generalised journey times and can compare the demand and revenue impacts of different rail timetables.59MOIRA 2 (Network Rail version)Passenger demand forecasting model capable of assessing the impact of timetable changes, modelling of crowding and calculation of economic benefits.60MOIRA2MOIRA2 has been developed jointly between DfT and the rail industry as a replacement to the current MOIRA model. This model is aimed at analysing timetable-related changes but also undertaking crowding calculations which MOIRA does not do.61MOIRA2.2This is an industry-wide accepted rail model used in analysing demand and revenue changes from rail timetable changes.62National Transport Model (NTM)This is a series of sub-models covering different aspects of travel demand, including a demand model, a road capacity model and LGV forecasting model63National Transport Model Cost Benefit Analysis ToolTo apply cost benefit analysis to scenarios modelled in the National Transport Model (NTM). Outputs are an analysis of Monetised Costs and Benefits (AMCB) table for the scenario modelled versus the baseline.64Network Rail Cash Flow ModelModel to record actual daily cash flows and to forecast future cash flows. This enables Network Rail to request the appropriate amount of grant from DfT.65No Net Loss in Biodiversity CalculationMeasures the habitats present pre-and post-construction of HS2 to compare the likely losses and gains in biodiversity units as a consequence of the scheme, in order to measure progress towards HS2 Ltd’s objective of seeking to achieve no net loss in biodiversity at a routewide level.66Observed Data Analytics ToolUses timing data from the Control Centre of the Future (CCF) to analyse real-world running data against current values within the Timetable Planning Rules (TPRs) and produces change recommendations to the TPRs based on the real-world outputs.67Performance Target Setting Models – including CRM-P setting processProcess for collating regional performance plans and setting performance targets.68PLANET Economic Appraisal (PEA) ToolA spreadsheet model used to calculate benefits and revenues over the full appraisal period of the HS2 scheme. The model draws together inputs from the PFM and the TAG databook.69PLANET Framework Model (PFM)The model is used to forecast demand for journeys, both with and without HS2. This is used for appraisal purposes, the key output being the benefits for the HS2 Economic Case. The model is also used for other purposes requiring HS2 demand forecasts. This includes transport assessments and route development work.70Port freight traffic forecastsModel for producing national forecasts of freight traffic at major UK ports covering 2017 to 2050.71Port Simulations – Short StraitsDiscrete event simulation to analyse freight flow and queues through short straits ports.72Property Management ModelThe model is used to help inform property management decisions relating to properties acquired by the Secretary of State for Transport as a result of the HS2 programme.73Rail Emissions Model (REM) REM calculates and monetises the amount of carbon generated by passengers and freight for a rail scheme. This is used to support business case development.74Rail finance Long-Term Forecast (LTF)The model produces a long-term (greater than 10 years) forecast of the financial position for rail finances at the level of individual rail franchises and projects75Rail Uncertainty ModelThe model predicts uncertainty around rail demand forecasting.76RailSysUsed to develop and analyse timetables on infrastructure layouts (with associated manual analysis and interpretation of infrastructure constraints).77 RoCaFF (Road Carbon and Fuel Fleet model)Projects road transport fleet average emissions and fuel / energy consumption per km, alongside the split of mileage by electric, petrol or diesel vehicles.78Rolling Stock Tender Evaluation ModelsModel used to evaluate tenders for the HS2 Phase One rolling stock contract79SCAnNeR (Earthworks Tier 1 Model)SCAnNeR is a strategic decision support tool which offsets degradation against a number of intervention strategies, thereby assisting asset managers in finding the optimal volumes of work.80Schedule 4 ACS and Compensation modelThis model estimates the likely Schedule 4 compensation expenditure by Network Rail Route and Operator based on expected levels of renewals and maintenance expenditure. Its primary purpose is to estimate the funding requirements for Control Period 6 for Schedule 4 and the Access Charge Supplement.81Signal Berth Offset Schedule 8 Model – Ready ReckonerThe model is used to re-calibrate Schedule 8 performance points as a reuslt of changes to berth offsets82 SORAT (Signal Overrun Risk Assessment Tool) SORAT software provides the functionality to record all signal overrun risk assessments and forms the formal Network Rail record of a signals overrun risk.83 TAG Data BookThe TAG data book contains all the values in DfT TAG to be used in transport modelling and appraisal applications.84Technical Test ReportsCaptures the mathematical and engineering aspects of automotive Type Approval legislation. Helps VCA to complete test reports and determine whether a manufacturer is meeting the legislative requirements.85TFL Loan ModelInterest and principal repayment model in spreadsheet format for the TfL Loan. The objective is to understand:
1. When and how much to invoice to TfL in terms of principal and interest payments
2. The impact on budgets for finance86The highways maintenance appraisal tool (HMAT)This model allows local highway authorities to assess the economic costs and benefits of proposed asset management strategies. It also allows them to compare different options.87The National Trip End Modelling suite (NTEM)This model is used to input travel demand forecasts into the National Transport Model and other transport models.88The Trip End Model Presentation Program (TEMPRO)A software package that presents the National Trip End Model data set (NTEM) in the public domain.89Traction Electricity Costing ModelTraction Electricity price locks are recorded and train operator Electric Current for Traction (EC4T) tariffs are calculated.90 TRAIL (Transportation, Reliability, Availability and Integrated Logistics) Model TRAIL is a discrete event simulation software tool that is used to evaluate the performance of a railway by simulating the ability of a railway system to support the movement of trains as per a pre-defined operating timetable. The model provides a moving annual average equivalent view of performance.91 TUBA (Transport Users Benefit Appraisal) TUBA takes transport model outputs and converts the cost and demand matrices into monetisable user benefits for use in appraisal.92UK Civil Aircraft Noise Contour Model (ANCON)A model used for aviation noise mapping.93Values of travel time savings and reliabilityThis model is an implementation tool used to estimate the values of time to be used in appraisal. The model was developed as part of the value of time study with ITS Leeds in 2015.94Vegetation Management Whole Life Cost (WLC) ModelThis model is used to assess the future cost of maintaining vegetation along the track in order to be compliant.95VISIONSimulation software for carrying out deterministic calculations of the railway to determine capacity and the effects that renewals, upgrades and enhancements may have on this.96 VTISM (Track Tier 1 Model)This is a cross-industry supported modelling tool that forecasts the whole-life costs and outputs arising from track renewals and maintenance and train wheel-set maintenance, for various user-specified asset management policies and future traffic projections.97Western Rail Link to Heathrow Economic Appraisal ModelThe model used for the economic appraisal of the Western Rail Link to Heathrow (WRLtH) Outline Business Case. This brings together the estimated costs and monetised benefits of the scheme.98 WITA (Wider Impacts Transport Appraisal)The WITA software allows analysts to estimate the wider economic impacts of transport schemes in line with methodologies set out in TAG.