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Beyond Tobler’s Hiking Function
Abstract
Waldo Tobler introduced his hiking function in a little‐known article in 1993, as a formal representation of the relationship between topographic gradient and the velocity of an average hiker, with parameters estimated from some previously collected data. Such functions are becoming more useful as apps for route guidance proliferate. Numerous practical issues are raised by any effort to validate these functions empirically. Hiking functions in general allow routes to be measured on various criteria, including travel time, travel distance, or energy consumption, yet, few efforts have been made to calibrate similar functions for other modes of travel, other traveler profiles, and other route criteria. Connected and autonomous vehicles raise the possibility that route choice may take on greater significance in the context of system‐wide goals, rather than the current individual self‐interest.
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Least-cost path modeling is among the most common applications of travel rate functions.
“Least-cost path modeling is among the most common applications of travel rate functions41,42, enabling the identification of routes that minimize travel time between two (or more) points on a landscape.”
From A singular, broadly-applicable model for estimating on- and off-path walking travel rates using airborne lidar data (2024) · cites this paper as [41]
Slope-controlled models estimate travel rates solely as a function of slope, which is most appropriate for on-path travel where vegetation density and surface roughness are low.
“These slopecontrolled models estimate travel rates solely as a function of slope, which is most appropriate for on-path travel (i.e. on a road or trail) where vegetation density and surface roughness are low.”
From Machine learning estimation of off-trail pedestrian travel rates using LiDAR-derived slope, vegetation, and surface roughness (2026) · cites this paper as Goodchild 2020
Citations
Cites
A note on two problems in connexion with graphs
Dijkstra, E. (1959) · Numerische Mathematik · doi:10.1007/bf01386390 · Cited by 24,351
A Formal Basis for the Heuristic Determination of Minimum Cost Paths
Hart, P., Nilsson, N., & Raphael, B. (1968) · IEEE Transactions on Systems Science and Cybernetics · doi:10.1109/tssc.1968.300136 · Cited by 12,738
National Research Council (2006) · National Academies Press eBooks · doi:10.17226/11019 · Cited by 653
Geographic Information Science and Systems
Longley, P., & Goodchild, M. F. (2019) · Elsevier eBooks · doi:10.1016/b978-0-08-102295-5.10557-8 · Cited by 319
Self-citationActivity-Based Approaches to Travel Analysis
Ettema, D., & Timmermans, H. J. P. (1997) · Cited by 303
Tobler, W. (1994) · Geographical Analysis · doi:10.1111/j.1538-4632.1994.tb00320.x · Cited by 177
Mapping for Wheelchair Users: Route Navigation in Urban Spaces
Beale, L., Field, K. S., Briggs, D., Picton, P. D., & Matthews, H. (2006) · The Cartographic Journal · doi:10.1179/000870406x93517 · Cited by 162
THREE PRESENTATIONS ON GEOGRAPHICAL ANALYSIS AND MODELING
Modeling, N.-I., & Tobler, W. (1993) · Cited by 158
Walking speed of older people and pedestrian crossing time
Duim, E., Lebrão, M. L., & Antunes, J. L. F. (2017) · Journal of Transport & Health · doi:10.1016/j.jth.2017.02.001 · Cited by 102
Using crowdsourced fitness tracker data to model the relationship between slope and travel rates
Campbell, M. J., Dennison, P. E., Butler, B. W., & Page, W. G. (2019) · Applied Geography · doi:10.1016/j.apgeog.2019.03.008 · Cited by 87
Effects of Sexual Activity on Beard Growth in Man
ANON (1970) · Nature · doi:10.1038/226869a0 · Cited by 81
Modeling slope as a contributor to route selection in mountainous areas
Pingel, T. J. (2010) · Cartography and Geographic Information Science · doi:10.1559/152304010791232163 · Cited by 72
Measuring and modeling the speed of human navigation
Irmischer, I. J., & Clarke, K. C. (2018) · Cartography and Geographic Information Science · doi:10.1080/15230406.2017.1292150 · Cited by 62
An Evaluation of Lattice Solutions to the Problem of Corridor Location
Goodchild, M. F. (1977) · Environment and Planning A: Economy and Space · doi:10.1068/a090727 · Cited by 60
Self-citationLaakso, M., Sarjakoski, T., Lehto, L., & Sarjakoski, L. T. (2013) · Cartographica The International Journal for Geographic Information and Geovisualization · doi:10.3138/carto.48.2.1837 · Cited by 23
Spatial Filtering for Identifying a Shortest Path Around Obstacles
Hong, I., Murray, A. T., & Wolf, L. J. (2015) · Geographical Analysis · doi:10.1111/gean.12086 · Cited by 10
(1984) · OpenGrey (Institut de l'Information Scientifique et Technique)
Harris, E. (2009) · New Scientist · doi:10.1016/s0262-4079(09)61132-5
Flagged first, then by citations
Research works printed but not linked: 3
- Hood J., 2019, Monetizing Data in the Age of Connected Vehicles, Deloitte Insights
- Lombard K., 1993, The Gateway Shortest Path Problem: Generating Alternative Routes for a Corridor Location Problem, Geographical Systems, 1, 25
- Naismith W. W., 1892, Untitled, Scottish Mountaineering Club Journal, 2, 135
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Metadata
- Authors
- Goodchild, M. F.
- Affiliations
- Department of Geography University of California Santa Barbara CA USA
- Venue
- Geographical Analysis
- Publisher
- Wiley
- Published
- 2020-08
- Volume
- 52
- Issue
- 4
- Pages
- 558-569
- ISSN
- 0016-7363 (ISSN-L)
- 1538-4632
- OpenAlex
- W3046297283
- Cited by
- 57
- References
- 16
- Citations by year
- 2026: 21 · 2025: 19 · 2024: 8 · 2023: 3 · 2022: 1 · 2021: 2 · 2020: 3
- FWCI
- 1.36
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Geographical Analysis (publishedVersion)
- Topics
- Social Sciences › Transportation › Transportation Planning and Optimization
- Social Sciences › Transportation › Urban Transport and Accessibility
- Social Sciences › Urban Studies › Urban Design and Spatial Analysis
- Keywords
- travel time functions, topographic gradient, travel distance, energy consumption, connected and autonomous vehicles, route choice, travel time estimation
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