What should the toll collector do if the security card machine in Chongqing expressway fails?

1. Stay calm: First, stay calm and patient. Understand that toll collectors may also face technical failures or other problems.

2. Ask the staff for help: Ask the staff at the nearby toll station, explain the situation to them and ask for help. They can provide guidance and solutions, such as providing alternative channels or helping you solve payment problems.

3. Keep relevant evidence: If you can't pay the toll in time, you must keep relevant receipts or vouchers in case of possible disputes or disputes in the future.

4. Contact customer service: If you find any charge deduction or other problems afterwards, please contact the management department of expressway or the customer service hotline of the toll station in time and provide detailed information. They will be able to verify your situation and provide corresponding solutions.