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  cruiser Tip of the Week

Never drive faster than you can see.
This tip, and all of our tips-of-the-week, are general principles provided for your consideration. They are not hard and fast rules that should be applied without thinking in all circumstances. Always use your judgement and take all current safety factors into account while riding.
 
What's The Problem?
If you think about it, at any given speed there is obviously a minimum distance it would take you to stop in reaction to seeing an obstacle in front of you.
      For example, suppose you are going 30 Km/h and know, from taking one of our courses, that you can stop your bike in 7 metres from that speed. Also, let's say it would take you one second to notice an emergency situation in front of you and react by initiating a braking manoeuvre. At 30 Km/h you will travel about 8 metres in that second. So, if you suddenly saw something that made you stop as quickly as possible, you would travel 8 + 7 = 15 metres before coming to a stop.
      Here is that example on a diagram:
Explaining Minimum Stopping Distance
 
Now, let's assume that you can't see 15 metres for some reason -- dark, a curve, the crest of a hill, etc. Consider the following: If You Can't See Stopping Distance...
 
As you can see, there is no possible way to avoid a collision. You simply will not be able to stop before you hit the car.
 
Solution
You must develop an intuitive feel for your reaction and stopping distance from any given speed. (You do this by practice, and our Experienced Rider Course is a great opportunity.) You must then train yourself that any time your visibility changes (e.g. entering a curve, or the arrival of darkness) you adjust your speed so you can always see farther ahead than your stopping distance.
      It's important that you develop this feel for visibility and speed under all conditions in which you ride. We all tend to do more riding in fine weather on good pavement, which means we aren't getting as much practice in rain, poor roads, etc. Remember this and allow for it as you ride.
Dip in Road Obscures View       Finally, consider this. The situation where you are most likely to drive faster than visibility warrants is in good conditions, good road, and bright daylight, in hilly terrain. Most riders instinctively adjust their speed in poor conditions or when riding a blind curve. But on perfectly straight road, it's easy to forget there may be a hazard over the crest of the next hill. A sharp gully is even worse, because you may be able to see clear road in the distance, but not the hazard at the bottom of the gully.
 
The MRC Tips of the Week are a collection of riding tips written by, and drawn from the riding experience of, the MRC instructors, a group with hundreds of years of cumulative riding experience. The tip changes every week. Check back to our main page every week to learn more from experienced riders.
 

 
 
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changed Apr 07, 2010