To cite package ‘ttcalib’ in publications use:

Padgham M (2026). ttcalib: Calibration of travel times to empirical data. R package version 0.1.0.010, https://github.com/urbananalyst/ttcalib.

Corresponding BibTeX entry:

  @Manual{,
    title = {ttcalib: Calibration of travel times to empirical data},
    author = {Mark Padgham},
    year = {2026},
    note = {R package version 0.1.0.010},
    url = {https://github.com/urbananalyst/ttcalib},
  }