| AADT |
Annual Average Daily Traffic |
| AFS |
Affordability and Financial Sustainability |
| AMCB |
Analysis of Monetised Costs and Benefits |
| AONB |
Area of Outstanding Natural Beauty |
| APRs |
Annual Progress Reports |
| AQMAs |
Air Quality Management Areas |
| AQS |
Air Quality Strategy |
| ASCs |
Alternative-Specific Constants |
| ASPB |
Area of Special Protection for Birds |
| AST |
Appraisal Summary Table |
| |
|
| BAP |
Biodiversity Action Plan |
| BCR |
Benefit/Cost Ratio |
| BODS |
Bus Origin and Destination Surveys |
| |
|
| CBA |
Cost/Benefit Analysis |
| CH4 |
Methane |
| CIF |
Community Infrastructure Fund |
| CMT |
Census Matrix Tools |
| CPO |
Compulsory Purchase Order |
| CO |
Carbon Monoxide |
| CO2 |
Carbon Dioxide |
| COBA |
Cost Benefit Analysis method software |
| CWSs |
Country Wildlife Sites |
| |
|
| dB |
Decibel - standard measurement for noise |
| DELTA |
Activity Based Model |
| DETR |
Department of the Environment, Transport and the
Regions |
| DfT |
Department for Transport |
| DIADEM |
Development of Integrated Assignment and Demand
Modeling |
| DoH |
Department of Health |
| DoT |
Department of Transport |
| DM |
Do Minimum |
| DMRB |
Design Manual for Roads and Bridges |
| DMU |
Diesel Multiple Unit |
| DN |
Do Nothing |
| DS |
Do Something |
| |
|
| EGRUP |
Evaluation Group on Regional and Urban Programmes |
| EIA |
Environmental Impact Assessment |
| EIR |
Economic Impact Report |
| EPA |
Estimated Population Annoyed |
| ETM |
Electronic Ticket Machine |
| |
|
| FES |
Family Expenditure Survey |
| FR |
Forecasting Report |
| FYBCR |
Forecast Year Benefit/Cost Ratios |
| |
|
| GCR |
Geological Conservation Review Sites |
| GDP |
Gross Domestic Product |
| GEH |
This is a form of chi-squared statistic used to
assess goodness of fit of a model (see DMRB volume 12, section
2, part 1) |
| GIS |
Geographic Information Systems |
| GNATA |
Guidance on the New Approach to Appraisal |
| GO |
Government Office |
| GOMMMS |
Guidance on the Methodology for Multi-Modal Studies |
| GQA |
General Quality Assessment |
| |
|
| HA |
Highways Agency |
| HEN 1 |
Highways Economics Note - Valuation of the Benefits of Prevention of Road Accidents and Casualties |
| HETA |
Highways Economics and Traffic Appraisal, DfT |
| HOV |
High Occupancy Vehicle |
| HSAM |
Heathrow Surface Access Model |
| |
|
| ICG |
Interim COBA Guidance |
| IHT |
Institution of Highways and Transport |
| ISGLUTI |
International Study Group on Land-Use Transport
Interaction |
| ITEA |
Integrated Transport Economics and Appraisal Division, DfT |
| ITS |
Intelligent Transport Systems |
| IVT |
In-Vehicle Time |
| |
|
| KSI |
Number of People Killed or Seriously Injured in
Road Accidents |
| |
|
| LAQM |
Local Air Quality Management |
| LGVs |
Light Goods Vehicles |
| LHA |
Local Highway Authority |
| LMVR |
Local Model Validation Report |
| LNRs |
Local Nature Reserves |
| LOCCOP |
Computer model estimated on census data |
| LOS |
Level of Service |
| LTP |
Local Transport Plan |
| LUTI |
Land-Use/Transport Interaction |
| |
|
| ML |
Maximum Likelihood |
| MMS |
Multi-Modal Studies |
| MNRs |
Marine Nature Reserves |
| MSA |
Method of Successive Averages or Motorway Service Area |
| |
|
| N2O |
Nitrous Oxide |
| NATA |
New Approach To Appraisal |
| NATCOP |
Model which can produce forecasts of the number
of households with 0, 1 and 2+ cars |
| NCA |
Non Car Available |
| NCR |
National Conservation Review |
| NNR |
National Nature Reserve |
| NO2 |
Nitrogen Dioxide |
| NOx |
Oxides of Nitrogen |
| NPV |
Net Present Value |
| NRTF |
National Road Traffic Forecasts |
| NTEM |
National Trip End Model |
| NTM |
National Transport Model |
| NTS |
National Travel Survey |
| |
|
| OB |
Optimism Bias |
| OD |
Origin/Destination |
| OGV1 |
Goods Vehicles with 2 or 3 axles |
| OGV2 |
Goods Vehicles with 4 or more axles |
| OS |
Ordnance Survey |
| |
|
| PA |
Production/Attraction or Public Accounts Table |
| PAR |
Project Appraisal Report |
| PCBs |
Polychlorinated Biphenyls |
| PCU |
Passenger Car Unit |
| PIA |
Personal Injury Accident |
| PFI |
Private Finance Initiative |
| PM10 |
Fine Particulate Measures |
| PPG |
Planning Policy Guidance |
| PSA |
Public Sector Agreement |
| PT |
Public Transport |
| PTE |
Passenger Transport Executive |
| PVB |
Present Value of Benefits |
| PVC |
Present Value of Costs |
| PVCG |
Present Value of Cost to Government |
| PVY |
Present Value Year |
| |
|
| QRA |
Quantified Risk Assessment |
| QUADRO |
Queues and Delays at Road works. DMRB Volume 14 |
| |
|
| RA |
Regeneration Area |
| RIGs |
Regionally Important Geological sites |
| RP |
Revealed Preference |
| RPBs |
Regional Planning Bodies |
| RPF |
Regional Planning Framework or Relative Price Feature |
| RPG |
Regional Planning Guidance |
| RPI |
Retail Price Index |
| RPP |
Rail Passenger Partnership |
| RSI |
Roadside Interviews |
| RTS |
Regional Transport Strategy |
| |
|
| SACs |
Special Areas of Conservation |
| SACTRA |
Standing Advisory Committee on Trunk Road Assessment
|
| SAMs |
Scheduled Ancient Monuments |
| SCAs |
Supplementary Credit Approvals |
| SCIs |
Sites of Community Importance |
| SINCs |
Sites of Importance to Nature Conservation |
| SP |
Stated Preference |
| SPA |
Special Protection Area |
| SRA |
Strategic Rail Authority |
| SSRA |
Shadow Strategic Rail Authority |
| SSSI |
Site of Special Scientific Interest |
| STAG |
Scottish Transport Appraisal Guidance |
| |
|
| TAM |
Traffic Appraisal Manual |
| TAUA |
Traffic Appraisal in Urban Areas |
| TEE |
Transport Economic Efficiency |
| TEMPRO |
DFT National trip end programme (see www.tempro.org.uk) |
| TEN |
Transport Economics Note (replaced by WebTAG Unit 3.5.6) |
| TIF |
Transport Innovation Fund |
| TOCs |
Train Operating Companies |
| TUBA |
Transport User Benefit Appraisal Software |
| TWA |
Transport and Works Act |
| |
|
| UDP |
Unitary Development Plan |
| URECA |
Urban Economic Assessment (this is superseded
by TUBA) |
| UTC |
Urban Traffic Control |
| UTMC |
Urban Traffic Management Control |
| |
|
| VAT |
Value Added Tax |
| VfM |
Value for Money |
| VMS |
Variable Message Signs |
| VOCs |
Volatile Organic Compounds or Vehicle Operating Costs |
| VOT |
Value of Time |
| |
|
| WebTAG |
Web Based Transport Analysis Guidance |
| WHO |
World Health Organisation |
| WTP |
Willingness to Pay |
| |
|