1. A major road or highway that meets high construction and maintenance standards, typically featuring multiple lanes, good surface conditions, and modern infrastructure
The estrada de primeira categoria connects the two major cities with excellent driving conditions.
A estrada de primeira categoria conecta as duas grandes cidades com excelentes condições de tráfego.
2. In road classification systems, the highest or primary tier of road infrastructure designated for major traffic flow
This estrada de primeira categoria is maintained by the federal government.
Esta estrada de primeira categoria é mantida pelo governo federal.