{"description":"Guardian covers long-haul freight corridors between major US logistics hubs. Our AI predicts truck-specific ETAs with FMCSA compliance (HOS, sleeper berth, fuel stops) across 462 interstate corridors connecting these cities.","hubs":[{"city":"Abilene, TX","lat":32.4487,"lon":-99.7331},{"city":"Albany, NY","lat":42.6526,"lon":-73.7562},{"city":"Albuquerque, NM","lat":35.0844,"lon":-106.6504},{"city":"Amarillo, TX","lat":35.222,"lon":-101.8313},{"city":"Atlanta, GA","lat":33.749,"lon":-84.388},{"city":"Augusta, GA","lat":33.4735,"lon":-82.0105},{"city":"Austin, TX","lat":30.2672,"lon":-97.7431},{"city":"Bakersfield, CA","lat":35.3733,"lon":-119.0187},{"city":"Baltimore, MD","lat":39.2904,"lon":-76.6122},{"city":"Baton Rouge, LA","lat":30.4515,"lon":-91.1871},{"city":"Billings, MT","lat":45.7833,"lon":-108.5007},{"city":"Birmingham, AL","lat":33.5207,"lon":-86.8025},{"city":"Boise, ID","lat":43.615,"lon":-116.2023},{"city":"Boston, MA","lat":42.3601,"lon":-71.0589},{"city":"Buffalo, NY","lat":42.8864,"lon":-78.8784},{"city":"Casper, 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