To process your membership payment, you will need your KTRA ID#, this is a 12-digit number consisting of the last 4 of your social security number and your 8-digit birthday. If you need any assistance, you may contact the KRTA Office, 1-800-551-7979. There is a 90-cent processing fee. The system will only allow one membership to be processed at a time. Associate Members and those who are on Automatic Dues Deduction are not able to use the online payment tool.