Contraflow System | Top Q&A

What is Backflow Video This article will guide you through everything you need to know about where a backflow system can be used so you can prepare for your theory test and be in lane safely reverse bus lanes or backflow systems on highways, once you’ve passed your test.

What is the Upstream System?


In simple terms, an upstream system is defined as a temporary arrangement in which traffic moves in the opposite direction from how it would normally flow and is most commonly used on a highway. However, with developments in traffic management, the meaning of a traffic separation system has changed and is no longer just referring to temporary traffic arrangements – it can also be a permanent fixture for buses and cyclists in more crowded areas. reverse system sign as you may be asked to explain this sign in the driving theory test – it can have many different variations depending on the situation, so make sure your review you are thorough.

Upstream System on the Expressway

Highway backflow system sign You will typically see a temporary backflow system installed on a highway. When repairs are needed, road repairs are underway, or even when there is a major accident that requires the closure of one side of the highway, a flow regulation system can be in place to minimize disruption to drivers. In place on the freeway, traffic will be directed to the other side of the highway to keep traffic moving. This sign is usually marked with a traffic cone that becomes a lane line and separates incoming and outgoing traffic. . In this situation, your only separation from oncoming traffic is likely to be the traffic cone so there will be no permanent barrier, the lanes are also likely to be narrower. For this reason, it is essential that you stay in the right lane in the appropriate time and stay in your lane during the opposite direction. It is important that you keep a safe distance from the vehicle in front and make sure you are aware of and obeying any temporary speed limit signs. Accidents or spills may be present during the flow. A stiff shoulder may also not work in the presence of a flow control system as it can be used for traffic, so it is important to be aware of this possibility and adjust your driving style. be suitable.

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Reverse Bus Lane

Upstream Bus Lane Signs Bus lanes were introduced to aid in traffic flow and to help speed up bus routes that used to be heavily trafficked. In this way, opposing bus lanes can avoid crowded areas and follow direct routes to their destinations. You will most likely see a bus lane going in the opposite direction on a one-way street with a bus lane going in the opposite direction. You will be instructed that there is a lane for oncoming buses on the road through the blue road sign – make sure you are familiar with this sign as you may be asked to identify this in the lesson theory test and you need to know how to define a lane against a bus lane when you are driving. Making sure you’re familiar with the oncoming bus lanes is a surefire way to secure those all-important points to earn your theory test pass certificate.

Reverse cycle lane

reverse bus lane sign number 2Oncoming bus lane signs Now that you know the lanes for oncoming buses, you will need to familiarize yourself with the lanes for oncoming buses. These lanes are designed to help increase safety for cyclists on the road by helping them avoid busy roads and twisty intersections. Reverse bike lanes do this by providing a separate bike lane for cyclists, allowing them to cycle in either direction on the roadway. you and be aware of the possibility that you may encounter a bicyclist traveling in the opposite direction for a short distance. Look out for blue road signs indicating when there is an oncoming bike lane and make sure you keep your distance and give cyclists plenty of room.

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Upstream System Theory Test Questions

The driving theory test usually includes questions about backflow systems – including bus, bus and highway upstream – so make sure you’re fully prepared in this area. which you can find in the theory test listed below:

  • How to drive safely through an upstream system
  • Identification of reverse road signs
  • How is speed limiting implemented by backflow system
  • Where there is a high probability of oncoming buses or bike lanes

You may come across the following counter-systematic questions on your theory test:

  • You are on the highway. There is a reverse flow system up front. What do you expect to find?
  • You are using a backflow system. What should you do?
  • What should you do when going through a traffic separation system on a highway?
  • Where will you see lanes for buses and bicycles in the opposite direction?

Remember to study well for all the sections above and be one step closer to that driving theory test certificate!


Reversing controls can be disorienting, so making sure you’re fully prepared for these situations is essential, both in terms of studying for the driving theory test your own and to make sure you’re ready to safely face the open road. of traffic systems: car, bus and bicycle lanes – understanding all three can be accomplished with careful modification of relevant road signs and research traffic flow scenarios for these systems. This way, you have the vital information you need to use when you need it. Read more: what is audi plus parking system | Top Q&A

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