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Luggage and behaviour rules

  • CMRL asks passengers to keep baggage within 25 kg in weight.
  • The size limit it states is 80 cm long, 50 cm wide and 30 cm high.
  • Pets are not allowed on trains or inside metro premises.
  • Eating and smoking are not allowed in stations and trains.
  • Firearms and knives must not be carried.
  • Stand on the left side of escalators and move away from them quickly.
  • Parking at stations is at the owner's risk.

Source: CMRL: DO'S and DONT'S. Checked on 12 Nov 2026.

Source note: page last updated 10 Nov 2026; checked 12 Nov 2026.

All help topics for Chennai Metro Rail

Source: Chennai Metro Rail, checked on 11 Nov 2026.

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