Road distances and trip duration matrix for USA counties

<p>This dataset presents a matrix with road distance and travel duration estimates for all trip combinations among USA counties. More details about the methodology are available <a href="https://rfsaldanha.github.io/data-projects/usa_road_distances.html" target="_blank" rel="noopener">here</a>.</p> <p>This version was generated considering the road network at the OSRM project in October 2024.</p> <p><strong>Variable dictionary</strong></p> <ul> <li>orig: County FIPS code of origin</li> <li>dest: County FIPS code of destiny</li> <li>dist: Road distance of the shortest route, in meters</li> <li>dur: Travel time estimation, in minutes.</li> </ul> <p><strong>Files</strong></p> <ul> <li>dist_usa.rds : R serialized object</li> <li>dist_usa.parquet : Parquet format</li> <li>dist_usa.csv : CSV file. Colon (, ) field delimiter and point ( . ) as decimal separator</li> <li>uscounties.csv :&nbsp; CSV file with counties names, codes, and other information, from the <a href="https://simplemaps.com/data/us-counties" target="_blank" rel="noopener">Simple Maps database</a>.</li> </ul>