Correction to: The role of city geometry in determining the utility of a small urban light rail/tram system
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Correction to: The role of city geometry in determining the utility of a small urban light rail/tram system Michael Mc Gettrick1 Accepted: 12 June 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Correction to: Public Transport 12, 233–259 (2020) https://doi.org/10.1007/s12469-019-00226-9 I wish to correct a small but nonetheless important error in my paper “The role of city geometry in determining the utility of a small urban light rail/tram system”, Mc Gettrick, M., Public Transport, Vol. 12, pp. 233–259, (2020), DOI https://doi. org/10.1007/s12469-019-00226-9. The equation at the beginning of Sect. 4.4, and also Eq. (45) at the end of Appendix B, should both be replaced by
IF =
23 . 72
Furthermore, a few calculations leading up to this expression in Appendix B should be changed, specifically: 1. Appendix B, Eq. (41): • Replace a4(1 + 6 ln 2)/9 by a4(1 − 2 ln 2/3). • Replace 2 a2(1 + 6 ln 2)/9 by 2a2(1 − 2 ln 2/3).
2. Appendix B, Eq. (44): • Replace 4(1 + 6 ln 2)∕3 by 12 − 8 ln 2. • Replace a2 (7 + 24 ln 2)∕18 by 23a2 ∕18.
The original article can be found online at https://doi.org/10.1007/s12469-019-00226-9. * Michael Mc Gettrick [email protected] 1
School of Mathematics, Statistics and Applied Mathematics, National University of Ireland Galway, Galway, Ireland
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