The blue bar is used as a guide to track your refund status. The bar will fill in as your tax return begins processing. When the blue line is complete, this means that your tax return has been accepted by the IRS and you have an estimated date.
TurboTax tracks whether your federal tax return as been accepted or rejected, and will provide an estimate on when you can expect to receive your tax refund. Please see the following FAQ for additional information on how to track your federal refund:
https://ttlc.intuit.com/questions/1894389
If you would like to verify the refund status of your state taxes, please see the FAQ below:
https://ttlc.intuit.com/replies/3300211
https://ttlc.intuit.com/replies/3319882
If you have any questions regarding your federal tax return, please contact the IRS at 800-829-0582 and press '1' for English then enter extension 652.