The same journey made during the early hours of the morning in uncongested streets would attract a much smaller charge or perhaps no charge at all.

ECONOMIST: Jam today, road pricing tomorrow

Even America's ports seem uncongested when compared with its courts.

ECONOMIST: Logistics

Dedicated lanes give buses an uncongested path, and traffic-signal priority gives buses the power, once reserved for emergency vehicles, to switch signals from red to green as they approach.

FORBES: Busting Bus Bunching With Traffic Signals