also known as TCAT. at the end of the hanzomon line at suitengumae, also the home of superhip japanese mobile game developer dwango.
if you're near this line, which goes straight from shibuya, TCAT is the fastest way to get to Narita Airport. Svae yourself the $250 dollar cab ride.
Unlike the narita express (from shinjuku and tokyo station ) buses leave every few minutes.