acelejalde
Urban Transit Developers
Finally breaking ground on my BART content pack!
Below are two variations of track used in the Subway portions of the BART system:
With 3rd rail:
Without 3rd rail:
And for anyone wondering why they're so wide--BART uses a 5 foot 6 inch track gauge unlike the standard 4 feet 8 1/2 inches. This is due to the earthquake-sensitive nature of the Bay Area (and all of California for that matter), and the decision was made to widen the gauge to help the trains withstand the force of earthquakes and to more evenly distribute the train's weight in that occurrence. It seems to have worked, as BART survived the 1989 Loma Prieta Earthquake!
Enjoy!
Below are two variations of track used in the Subway portions of the BART system:
With 3rd rail:

Without 3rd rail:

And for anyone wondering why they're so wide--BART uses a 5 foot 6 inch track gauge unlike the standard 4 feet 8 1/2 inches. This is due to the earthquake-sensitive nature of the Bay Area (and all of California for that matter), and the decision was made to widen the gauge to help the trains withstand the force of earthquakes and to more evenly distribute the train's weight in that occurrence. It seems to have worked, as BART survived the 1989 Loma Prieta Earthquake!
Enjoy!

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