Record No.
MRB-2026-005736
Widest Avenue in the World
Architecture & Structures
No Photo
Record Holder
Avenida 9 de Julio
Argentina
Category
Architecture & Structures
Country
Argentina
(
AR )
Achievement Date
—
Verification Status
Reference
Record Description
Buenos Aires's Avenida 9 de Julio, spanning roughly 140 meters and up to 16-plus lanes across its full width including service roads, is recognized by Guinness World Records as the widest avenue in the world. Completed in stages over several decades, it cuts through the Argentine capital and is crossed by the city's Obelisco monument.
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