Hi Super,
As Sun says, in the UK anything 'Shinkansen/Real World' as well as the special police etc... stuff were marketed here as Hypercity, no idea why. Maybe because it makes them sound futuristic and it was an attempt to grab the slightly older audience or keep the youngsters interested as they grew older and perhaps away from Thomas (as if
)...
N.
As Sun says, in the UK anything 'Shinkansen/Real World' as well as the special police etc... stuff were marketed here as Hypercity, no idea why. Maybe because it makes them sound futuristic and it was an attempt to grab the slightly older audience or keep the youngsters interested as they grew older and perhaps away from Thomas (as if
)...N.
Happily collecting things all my life... 
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