That one's easy: leave space in front of you for those merging onto the highway.

So much of road etiquette boils down to leaving adequate space so others can maneuver around you. Trying to optimize your travel by destroying any gaps as soon as they appear actually has the opposite effect.

Very true and it's the reason I will always leave several car gaps in front of me in heavy traffic. Just because I have electric brakes on my travel trailer, it doesn't mean I can slow down normally, they just assist. Most people really don't think about that, of course, so they ignore the trailer and just weave in and out.

Speed is a very dangerous thing when pulling any type of trailer and it always amazes me when I see a truck pulling one at break neck speeds and somehow thinking they can maneuver normally when someone causes a situation where they have to make a split second decision.