Subway vs Commuter Rail in Japan: both are high frequency, both have high-capacity designs, only superficial differencespic.twitter.com/4eEgmZkioi
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
That commuter rail in Boston is still using loco-hauled trains etc is evidence of arrested development, not reflective of passenger needs
But old subway lines hardly evolve. Parts of Berlin subway network were built ~1900, (2.3m car width).
it's not the subway lines that need to evolve in Boston, it's the commuter lines!
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.