' Peak ' car ...

[ozbob]

Rail Express --> Rail key to 'peak car' phenomenon

CASE STUDY: Former chief scientist for the UK's Department for Transport David Metz explains how rail has helped reduce Londoners' reliance on cars, and how this kind of trend could help long-term emissions targets ...

Metz, D. 'Peak Car in the Big City: Reducing London's transport greenhouse gas emissions', Case Studies on Transport Policy, 2015 (available online)

[ozbob]

Peak car > https://en.wikipedia.org/wiki/Peak_car