Alternative Payment Methods

Pay by post.
www.gov.uk/government/publications/pay-the-dartford-crossing-charge-dart-charge-by-post
Pay by telephone  .0300300120.
Set up a account.
www.gov.uk/government/publications/set-up-or-cancel-a-dart-charge-account-by-post
Pay online.
www.gov.uk/pay-dartford-crossing-charge
 Pay cash in a shop
https://www.payzone.co.uk/consumers/