In general, I've found reception of the Metro system to be good in most underground stations and in tunnels between stations, although the signal strength varies dramatically.
At least several months ago, the analog simulcast of Metro Transit Police dispatch on talkgroup 2224 was discontinued. Dispatch is only heard on digital talkgroup 49168 now.
Analog talkgroup 1968 on the Metro system is used by radio techs.
Several cities/counties broadcast their systems underground in those station which fall in their jurisdiction. Arlington does this for their digital 800 MHz system (they used to only simulcast police and fire dispatch on analog 800 MHz conventional frequencies). DC broadcasts their 800 MHz system, although not the 460 MHz system used by Metropolitan Police. Montgomery broadcasts their 800 MHz system. I am unsure about Alexandria and Prince George's.
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