To cite package ‘roads’ in publications use:

  Endicott S, Lochhead K, Hughes J, Kirby P (2024). _roads: Road
  Network Projection_. R package version 1.2.0,
  <https://CRAN.R-project.org/package=roads>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {roads: Road Network Projection},
    author = {Sarah Endicott and Kyle Lochhead and Josie Hughes and Patrick Kirby},
    year = {2024},
    note = {R package version 1.2.0},
    url = {https://CRAN.R-project.org/package=roads},
  }