Motorcycles

Originally Posted by snkbyt

but also keeping your head on a swivel doesn't hurt either

As others have said, expect people to not see you, and you'll be a lot safer.

On the highway I give myself plenty of space. In the city everytime I approach an intersection I simply assume somebody is going to blow the stop sign, blow the redlight, turn in front of me.....

Saved my ass any number of times.