In transport engineering nomenclature, a counterflow lane or contraflow lane is a lane in which traffic flows in the opposite direction of the surrounding lanes.

Dec 12, 2025 · A contraflow traffic system involves temporarily reversing the normal direction of travel in one or more lanes of a roadway to manage traffic flow around an obstruction or during periods of …

Oct 21, 2025 · These diagrams represent a general case, with one travel lane in each direction, and do not take into account pedestrian or bicycle movements at an intersection or interchange. When …

Aug 3, 2021 · A contraflow system is where traffic is directed in the opposite direction than it would normally flow. The clue is in the name with “contra” meaning against and “flow” meaning the …

CONTRAFLOW definition: 1. a temporary traffic arrangement, usually on a main road, in which traffic travelling in both…. Learn more.

In this guide, we’ll break down everything you need to know about contraflow systems—what they are, where you’ll find them, how to handle them safely, and what to expect in the theory test.

Sep 21, 2025 · Contraflow is a traffic management term that describes the situation where vehicles move in the opposite direction to what would usually be considered the standard flow of traffic.

Aug 27, 2025 · Contraflow, a method of evacuation thought up by LSU Civil & Environmental Engineering Professor Brian Wolshon, is now used all over the world to save lives and was an …

A contraflow is a situation in which vehicles travelling on a main road in one direction have to use lanes that are normally used by traffic travelling in the opposite direction, because the road is being repaired.

Dec 17, 2024 · A contraflow bus lane system can commonly be found in towns and cities across the UK, and are used to enhance public transportation efficiency, reduce travel times for buses, and …