New appraisal values of travel time saving and reliability in Great Britain
| Autor: | Manuel Ojeda Cabral, Phani Kumar Chintakayala, Andrew Daly, Jeremy Bourdon, Tony Fowkes, Maria Börjesson, Thijs Dekker, Richard Batley, Tom Worsley, Daniel Johnson, Charisma F. Choudhury, John Bates, Stefan Sanders, Mark Wardman, Efie Drivyla, John Parkin, Michiel C.J. Bliemer, Rob Sheldon, Stephane Hess, Chris Heywood, James Laird, Peter Mackie |
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| Jazyk: | angličtina |
| Rok vydání: | 2019 |
| Předmět: |
Transportteknik och logistik
Value of travel time savings value of reliability value of crowding value of congestion business non-work media_common.quotation_subject Centre for Transport and Society 0211 other engineering and technologies Transportation 02 engineering and technology Development 0502 economics and business Econometrics Economics Range (statistics) Quality (business) Transport Systems and Logistics Reliability (statistics) Civil and Structural Engineering media_common 050210 logistics & transportation Actuarial science business.industry 05 social sciences 021107 urban & regional planning Business value Crowding Value of time Market research TRIPS architecture business |
| ISSN: | 0049-4488 1572-9435 |
| Popis: | © 2017, The Author(s). This paper provides an overview of the study ‘Provision of market research for value of time savings and reliability’ undertaken by the Arup/ITS Leeds/Accent consortium for the UK Department for Transport (DfT). The paper summarises recommendations for revised national average values of in-vehicle travel time savings, reliability and time-related quality (e.g. crowding and congestion), which were developed using willingness-to-pay (WTP) methods, for a range of modes, and covering both business and non-work travel purposes. The paper examines variation in these values by characteristics of the traveller and trip, and offers insights into the uncertainties around the values, especially through the calculation of confidence intervals. With regards to non-work, our recommendations entail an increase of around 50% in values for commute, but a reduction of around 25% for other non-work—relative to previous DfT ‘WebTAG’ guidance. With regards to business, our recommendations are based on WTP, and thus represent a methodological shift away from the cost saving approach (CSA) traditionally used in WebTAG. These WTP-based business values show marked variation by distance; for trips of less than 20miles, values are around 75% lower than previous WebTAG values; for trips of around 100miles, WTP-based values are comparable to previous WebTAG; and for longer trips still, WTP-based values exceed those previously in WebTAG. |
| Databáze: | OpenAIRE |
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