There is only one lane each way. You are coming to a road junction and see someone waiting to turn left coming towards you. Traffic is building up behind the driver and a quick look in your mirror shows no gaps in traffic behind you. You can slow down and flash your lights to let the driver know they can make the left turn safely. If you look far enough up the road ahead, you can do this without even having to touch the brakes. Now that the car has turned, traffic can now flow smoothly in both directions. If every driver did this there would be time saved, less gas wasted, and the drive would be more stress free. Do you drive this way?.

You are on the freeway and traffic is heavy. Up ahead there is a merge lane and vehicles will find it difficult to merge onto the lane in front of you. You can slow down to create a bigger gap between you and the car in front so that one or two cars can merge in safely. Even better, if traffic permits, you can move over one lane to the left, freeing up space for traffic to merge. in the right hand lane. Merging traffic can now match the freeway speed when they enter which makes merging much more efficient. Notice in the clip how fast the average speed is and how it just takes one guy in the overtake lane to slow everybody down. Do you drive this "UK" way?

In places (poorly designed ones or a construction zone) where traffic is merging while traffic is exiting, instead of potential crashes and their aftermath, you (and other drivers) can use the zipper method where both the entering and leaving drivers leave enough space for someone to leave and someone to enter. Both traffic streams match their speed so that this flows in and out without even having to touch the brakes. Do you drive this way?