You mistyped the link? That seems to be a spam domain.

In London we have http://journeyplanner.tfl.gov.uk but there is no api and the user interface is shoddy.

I missed a dot. It should be http://transit.511.org. Past the edit deadline unfortunately.

Thanks.

There doesn't seem to be an api mentioned anywhere on that site. It appears to be for end users only. Am I missing something?