Reminds me on the times I've traveled the M11and moving into the near side lane, you'll stuck when meeting a truck in that lane half a mile up the road, half a mile is only around 30 seconds away and less some of the time, even driving a high powered saloon car its very difficult to pull out to over take that truck.
Use to have something similar on my local motorways the M2 and M20 until they were upgraded with extra lanes but it back to normal now with HGVs hogging the two lanes plus the third some of the time.