The inquiry would include representatives from airports, airlines, ferry and rail operators, highways agencies and Network Rail.
Liberal Democrat transport spokesperson Sarah Olney MP said it is "now or never" to prevent Britain from "coming to a stand still".
"Our airports are already scenes of chaos and drivers are being warned to only travel at night just to avoid gridlock," she continued. "This is no way to run our country’s transport network. The government needs to get a grip."