Follow  WGBH News Focus: The MBTA the week of April 23 — and tell us  what you'd do to fix the T.

BOSTON — On April 17, the MBTA launched a new initiative to address fare evasion on the Green Line: In off-peak hours, D Branch passengers will be allowed to board and depart using the front door only. In addition, the agency is continuing monthly "fare blitzes" to keep riders honest. 

"It's only fair ... pay your fare!" the press release chirped. And on the April 18 morning commute,  T riders tweeted ... well, let's see.

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