To cite package ‘tpm’ in publications use:

Egge M (2026). tpm: FHWA TPM Score Calculation Functions. R package version 2.0.2, https://github.com/markegge/fhwa_pm3.

Corresponding BibTeX entry:

  @Manual{,
    title = {tpm: FHWA TPM Score Calculation Functions},
    author = {Mark Egge},
    year = {2026},
    note = {R package version 2.0.2},
    url = {https://github.com/markegge/fhwa_pm3},
  }