Items you must not carry

• Explosives, gases under pressure, petrol and other flammable liquids and solids are banned.
• Oxidising, poisonous, corrosive and radioactive substances are banned.
• Weapons, arms and ammunition are banned.
• Offensive items such as dried or decomposed blood, corpses, carcasses and bones are banned.
• Portable radio devices that can disturb the metro radio and signalling network are banned.
• Live animals and birds are banned. Only a security sniffer dog on duty is allowed.

Source: CMRL: Items Not To Carry. Checked on 12 Nov 2026.

Source note: page last updated 22 Sep 2026; checked 12 Nov 2026.

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