Which lines were under FRA and which lines were under FTA?

wandering wonderer Wrote:
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> I've seen the Soviet maps of the Bay Area. Not
> particularly accurate, but then they were based on
> satellites and spies when they could have just
> bought USGS or AAA maps.
>
> As for going farther back in time for trolley
> lines (whoever did these maps apparently took a
> fairly expansive view of what was a "streetcar"),
> it gets harder to find the data. As shown, even
> for 1957, by the errors Dragoman noted. Even for
> more recent periods, until US DOT began collecting
> and publishing GIS information about the systems
> they funded (first appeared in the 1990s, and not
> really complete until the 2000s), it would be
> difficult to get a complete picture.