Showing indignity or indignation?

The writer speaks of the subject in an admiring tone in this paragraph, leading me to believe he meant to describe her reaction as displaying "indignation" (or the archaic "indignance") rather than "indignity".  The latter implies a source of offence or affront to a person's dignity, whereas the former means a response to unjust or mean treatment.

TTC bulging at the seems with riders

"Bulging at the seams" is the saying, "seam" meaning a line a stitches.

They're or there?

They are might have been some miscommunication?  C'mon!