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Montevideo's buses belong to the STM, the city's transport system. AhiVoy has 227 STM lines, urban and suburban.

Companies

• CASANOVA: 4 lines
• CITA: 1 lines
• COETC: 28 lines
• COME: 32 lines
• COPSA: 37 lines
• CUTCSA: 102 lines
• TPM: 4 lines
• UCOT: 19 lines

Fare

A standard one-hour ticket on an urban line costs $52 with the STM card and $64 in cash (Uruguayan pesos). Suburban fares depend on the stretch you ride.

Timetables

• All Montevideo lines, with their timetables

Data as of October 20, 2026.