From the Kansas Highway Patrol, not hearsay.
Following too closely
Kansas law requires drivers to follow other vehicles at a reasonable and prudent distance, taking into consideration the speed of the vehicles and condition of the roadway.
Four of every 10 crashes involve rear-end collisions, usually because someone is following too closely (tailgating). Leave enough room between your vehicle and the one ahead so you can stop safely if the other vehicle stops suddenly.
Brake early and gently when preparing to stop or turn. It gives drivers behind you plenty of warning that you are slowing down. Be aware of space on either side of you, too, in case you have to change lanes quickly or pull over to avoid a hazard. If possible, leave yourself some escape room to your left and right.
For a safe traveling distance, use the two-second rule.
Choose an object near or above the road ahead, such as a sign, tree, or overpass. As the vehicle ahead passes it, slowly count aloud, "one thousand one, one thousand two." If you reach the same object before you finish counting, you are following too closely. Slow down and let the other vehicle get farther ahead. In bad weather, increase the count to three or four seconds for extra space.
If the driver behind you is tailgating, move to another lane if possible, or if necessary, slow down and pull off the road to let the driver go by you. Be sure to signal when you drive off the road and when you return to it. Do not press your brakes to warn the offending driver, this could make a difficult situation become more dangerous.
Q: I have heard that I can drive 5 or 10 mph over the posted speed limit without being ticketed. Is this true?
A: It is a violation of Kansas law to speed as little as 1 mph over the posted speed limit. The law states speed violations of 10 or less miles per hour over the speed limit in 55 to 70 mph zones will not count as moving violations for purposes of driving records.
Q: Can I get a speeding ticket if I drive with the flow of traffic?
A: Speed limits are set for the safety of all motorists and others along the roadway. There is no "flow of traffic" exception in Kansas law, and you risk being cited for speeding if you choose to exceed the posted limit.
Q: How fast can I go when I am passing another vehicle?
A: The speed limit is exactly that: a limit. You cannot legally exceed the posted speed limit to pass another vehicle.
All of that considered, we drivers are fish in a barrel.
Also from the Highway patrol.
Speed Safety Facts
Speeding reduces the driver's ability to steer safely around curves and avoid objects on the road.
Speeding increases the distance necessary to stop a vehicle. In fact, just a small increase in speed greatly increases the amount of room you need to stop. For example, at 70 mph a vehicle in proper working order takes 351 feet to stop, while at 55 mph a vehicle can stop in 217 feet.
Speeding increases the distance your vehicle will travel before you can comprehend there is an emergency and react to it. Each mile per hour you travel equates to 1.467 feet traveled per second. Therefore, a vehicle going 55 mph will travel 80.685 feet each second.
Sound Complicated?
Here is a simple way to figure how many feet per second your car is going. By simply adding half of the miles per hour you are going to your speed you will get your approximate speed in feet per second (within two percent). Next time you are driving, think of your speed in feet per second (at 60 mph you are covering approximately 90 feet per second). Now, consider how fast you can react.
Then, consider your car's kinetic energy. Kinetic energy, the moving force possessed by your vehicle, can be simply explained as the amount of force, or kick, your vehicle would have if it hit another object. For example, a small car (weighing about 1 ton) moving at a speed of 40 mph strikes with the same force as 18, ten-ton steam rollers traveling at 3 mph!
Now imagine you are driving a standard car at 60 mph (approximately 90 feet per second). Your kinetic energy now is more than that of 100 ten-ton steamrollers moving at 3 mph! Now you understand why SPEED KILLS!