"And the mindset of a silo of rail engineers, and a silo of highway engineers, and a silo of bus experts, and a silo of active travel people, you're not going to integrate just because you put them in one organisation. "You have to actively look at ways to cross-fertilise that thinking, to get multi-modal projects hard-wired in. And from our view, I see TfW as a behaviour change organisation.
Source: wiktionary