| Route / Chokepoint | Geography | Primary Control / Operating Authority |
| Strait of Hormuz | Between Iran and Oman | Littoral-state control: Iran and Oman |
| Bab el-Mandeb | Between Yemen, Djibouti, Eritrea | Littoral-state control |
| Suez Canal | Egypt | Suez Canal Authority |
| SUMED Pipeline | Egypt | Egyptian state-linked pipeline system |
| Strait of Malacca | Between Indonesia, Malaysia, Singapore | Shared littoral-state control |
| Singapore Strait | Singapore / Indonesia / Malaysia | MPA Singapore operates VTIS/STRAITREP on the Singapore side |
| Turkish Straits (Bosporus + Dardanelles) | Türkiye | Türkiye under the Montreux Convention |
| Danish Straits | Denmark gateway between Baltic and North Sea | Danish littoral jurisdiction |
| Panama Canal | Panama | Panama Canal Authority |
| Strait of Gibraltar | Spain / Morocco / UK-Gibraltar | Littoral-state control |
| Sunda Strait | Indonesia | Indonesia |
| Lombok Strait | Indonesia | Indonesia |
| Makassar Strait | Indonesia | Indonesia |
| English Channel / Dover Strait | UK / France | Shared littoral-state control |
| Cape of Good Hope route | South Africa sea route around the Cape | Open-ocean route; no single canal authority |
Hormuz, Malacca, Bab el-Mandeb, Suez/SUMED, Turkish Straits and Danish Straits as major oil-transit bottlenecks. For canal and managed strait systems, control sits with official authorities such as the Suez Canal Authority, the Panama Canal Authority, MPA Singapore and the Turkish straits regime under the Montreux Convention.