"GB Road" isn't a single entity—it's a name shared by distinct roads in different cities, each with its own history:
Location: Central Delhi, connecting Ajmeri Gate to New Delhi Railway Station area.
Named for: Govind Ballabh Pant (1887–1961) — freedom fighter, UP Chief Minister, Union Home Minister.
Notoriety: Infamous as Delhi's largest red-light district (est. British era). ~3,000 sex workers in 80+ brothels. Supreme Court orders for rehabilitation (2018) partially implemented. Coexists with electronics/hardware markets.
Location: Eastern suburbs, Govandi to Chembur corridor.
Character: Industrial/residential artery. Govandi refinery, slum redevelopment projects (SRA), growing connectivity via Metro Line 2.
Location: New Town / Action Area I, near Biswa Bangla Gate.
Character: Planned wide boulevard in Kolkata's newest township. Commercial, residential, institutional plots. Part of smart city infrastructure.
Historic route: 2,400 km from Chittagong (Bangladesh) to Kabul (Afghanistan) via Delhi, Lahore, Peshawar.
Pakistan segment: ~1,600 km — Lahore, Gujranwala, Rawalpindi, Peshawar.
Legacy: Sher Shah Suri (16th C), Mughals, British — subcontinent's spinal cord. Now N-5 National Highway.
Abbreviation overlap (GB vs GT), colonial naming patterns, and oral usage. Always specify city + context when referencing "GB Road."