Always leave enough space in front of you to be able to speed up. Even when traffic is stopped, pay attention to people coming up behind you. You never know when some idiot is going to try and rear end your boat. It happened to me this past weekend and if I had not hit the gas pedal to accelerate when I saw the guy not stopping the damage could of been much worse. You also never know if the idiot that hits you will have insurance to pay for the damage that they will do to the most expensive component on your boat, the motor. Lucky for me the guy that hit me did and I will get my boat examined with a fine tooth comb this week to determine the extent of the damage. Some accidents can't be avoided but you can help reduce damage to yourself and your boat by checking the rear view mirror.