If you are in the fast lane and someone is directly behind you, move over.
If you are in the fast lane and people are moving into the right lane to get around you, move over.
If no one is in the right lane and you are in a long line of cars in the left lane, move over.
There is no pride in driving. Don't get the attitude that 'I am driving fast enough' and stay in the fast lane blocking others. There is always someone driving faster than you whether you agree with it or like it or not. Pull over for a second and let them go by then you can pull back and proceed.
If you change lanes, use your turn signal. This includes turning into the turning lane.
Use your turn signal to turn even if you are in a turning lane and you think it should be obvious. Believe it or not, that's not always the case. Using it removes all doubt.
Put your turn signal on before you start turning. This is intended to be a warning to other drivers. Once you start it's obvious what you're doing so putting your turn signal on then is kind of pointless although then we do know for sure what's going on and you're not just weaving around willy nilly.
If everyone lets one car in front of them at a merge point then we don't need to stop the whole works. That's why it's called 'Merging'.
They put the 'Maintain Sped Thru Tunnel' signs there for a reason. Please heed them.
Informative article about older drivers and how long they should keep driving