MTA says it monitors fare evasion - but it can't say how much revenue is lost to it each year.
Transportation experts say putting a number on the problem is a critical first step toward addressing it.
Spotlight on Maryland reporter
@TessaBentulan examines what MTA could be doing to measure - and curb - fare evasion.
WATCH: 5:30 p.m. Friday on
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READ: Saturday in
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