COMPLETE DRIVING TUTORIAL

- - - - - - - by Dieter Fischer - - - - - - -

6. CORNERS  (The  10/10/1 - 20/20/2 -  System)

Learner drivers often don't have a concept of how fast to approach or turn a corner. Beginners approach too fast, giving the instructing person a fright. Some stop far too short of the junction or intersection; others err on the slow side until they gain confidence and experience to choose a safe speed. 

The correct speed depends on the following 5 factors:

1. The driver’s experience Beginners must approach far slower than a learner about to take the test.
2. Visibility How far into the side road can you see? No view - don't go!
3. Give-Way rules When facing a give way sign or approaching from the stem of a T-junction, drive much slower.
4. Left or right turn? Left turn involve giving way to one direction only. Therefore, right turns must be approached slower.
5. The vehicle Allow time for gear changing in a manual vehicle.
The 10/10/1 - 20/20/2 system applies only in urban traffic, not on country roads, where speeds vary according to the shape of the corner. In urban traffic beginners are advised to stop before turning from the mouth of a T-junction, at a give-way sign or roundabout. 

Depending on their progress, however, as they drive confidently at the speed of other traffic, the 10/10/1 - 20/20/2 is a good formula for turning corners. 

Approaching a blind corner, where the driver cannot see other traffic and therefore needs to slow right down use 10101. It means 10 metres before the corner slow down to 10 km/h and select 1st gear!

Approaching an open corner, where visibility is good and/or you don't need to give way to anyone, 20 metres before the turn, slow to 20 km/h and select 2nd gear.

In an automatic vehicle the approach is almost identical, except there’s no gear to change. Keep your foot on or over the brake, ready to stop, until a clear view is obtained.

When turning left, position the vehicle parallel to the kerb as you approach your turn. You are less of a problem to traffic behind.

Shown here: how NOT to turn. Note how the truck crosses dangerously into oncoming traffic. >>>

Turning right, also approach in a parallel path, and position vehicle in the left of centre position.

Shown here: how NOT to position or turn. Note the sedan badly stopped at an angle. Should the van run in its back, there would be a nasty head-on crash >>>

When turning right rotate the steering wheel quickly clockwise, but bring it back early and slowly.

For left turn it's the opposite: Depending on the shape of the turn, rotate the steering wheel slowly left. Just before completing the turn, bring it back quickly to continue in a straight path.

In order to avoid 'cutting a corner' (right turn only) do not turn the steering wheel until your can see into the road you are entering! Starting a right turn too soon means risking a collision with traffic approaching the junction or intersection. You will be driving dangerously on the wrong side of the road!

In Australia right turn traffic completes the turn with a 'diamond turn': Traffic takes a path from the left of centre to the left of centre of the roads. The paths of four vehicles create a diamond shape. > 

 

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Our information could vary in your part of the world. We recommend you use above information in conjunction with a professional driving instructor.

All articles Copyright Dieter Fischer 2001 / Site revised 2020.