1. Benefits: (1) You can take a dedicated passage through the toll booth, and you don't need to bring your own change. You can get off the bus and get the card, saving time. (2) There are certain concessions on tolls, saving tolls.

2. Disadvantages: (1) 1) If you want to apply for ETC, you must go to the bank or cooperative organization and show your identity documents and other valid information. Many banks need to apply for credit cards to use together, which is not guaranteed for information security. (2)etc vehicles may also be brushed. In order to avoid high-speed charges, some drivers are optimistic about vehicles equipped with ETC, waiting for vehicles to enter and follow the car. This behavior is very dangerous, the car may rear-end, and the brushed car may be blacklisted.