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Drivers Education Ch. 11

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by

Brad Gross

on 25 June 2015

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Transcript of Drivers Education Ch. 11

Diamond
Interchange
Make sure the entrance is the one you want. Look for signs. (Wrong Way-Do Not Enter)
Check front and rear zones when on ramp. Signal, take quick glances through your left outside rearview mirror and over left shoulder to find gap in traffic where you can safely merge.
Once in acceleration lane, gradually increase speed. Continue to quickly glance over left shoulder and through outside rearview mirror. Decide when it is a safe time and place to merge into the gap in traffic.
Before entering the merging area, decide which vehicle to follow in the flow of traffic. As you enter the merging area, adjust speed to match traffic flow. Position your vehicle at a safe interval behind the vehicle you plan to follow. Merge smoothly.
Once on the expressway, cancel your signal and adjust to the speed of traffic. Keep a space cushion around your vehicle.
Steps for Entering
Prepare yourself and your vehicle
Build experience gradually
Concentrate on the driving task
Cooperate with other drivers
Safe Driving Strategies
It is important to remember that any point in an interstate or expressway system where there is a transition such as an entrance, an exit or an intersection of two or more major roadways is the most congested and potentially the most dangerous point.

Always be aware of additional problems at any of the interchanges you have just seen.
Be a Smart Driver
All-Directional Interchange
Trumpet Interchange
Cloverleaf Interchange
3 Key Factors
Cooperation Among Drivers
Concentration on the Driving Task
Use of the IPDE Process
Using Expressways Safely
Steps for exiting –
At least one-half mile before exit check front and rear zones. Signal and move into lane position 3 in the lane that leads into the deceleration lane.
Move into deceleration lane. Cancel your signal.
Flash brake lights to warn other drivers you are slowing. Check rear zones to know speed of following traffic. Slow gradually and keep a safe space cushion ahead and behind you.
Identify the exit-ramp speed sign. Check your own speed and adjust to the posted speed limit.
Exiting Expressways
Steps –
Change lanes one at a time. Signal every lane change whether or not other vehicles are present.
Check traffic in the outside and inside review mirrors. Check the blind-spot area in the direction you want to move.
If your path is clear, accelerate gently and move to the next lane.
Cancel your signal after you have changed lanes.
Lane Changing
Following
3 Second Rule


Increase following distance when –
Following a large vehicle that blocks your vision
Following a motorcycle
Bad weather conditions
Driving in heavy traffic
Being tailgated
Driving a heavy vehicle or pulling a trailer
Operating a motorcycle
Entering or exiting an expressway
Speed Limits

Minimum Speed Limits
Common Speed
Wolf Packs
Signs , Signals, Roadway Markings

Lane choice is based on information from expressway signs, signals, and roadway markings
Better able to maintain a safe path of travel and avoid making sudden last-second decisions if you
Know your destination
Read signs and roadway markings
Always think ahead
Lane Choice

Decide the best lane to use

Drive in the right lane, pass in the
left lane

Left lane used for faster traffic

Use center lane when traffic is heavy

Drivers entering, as well as drivers on the expressway , share responsibility
for protecting each other from conflict
Strategies for Driving on Expressways
3 Parts
Entrance Ramp
Acceleration Lane
Merging Area
Expressway
Entrances
11.1 Characteristics of Expressway Driving
11.2 Entering an Expressway
11.3 Strategies for Driving on Expressways
11.4 Exiting Expressways
11.5 Special Expressway Problems

Chapter 11
Driving on
Expressways

Roadway Conditions
Expressway through Cities
Disabled Vehicle
Roadway Repair
Rural Interstate Highways
Tollbooths
Driver Condition
Highway Hypnosis
Fall-Asleep Collisions
Velocitation
Special Expressway Problems
All Directional
Used in complicated
intersections with
high-volume traffic.
Trumpet Interchange
Is used where a side road forms a T
intersection with an expressway.
Diamond Interchange
Used when a road that has
little traffic crosses a busy
expressway.
Clover leaf
Has a series of entrance and exit
ramps that resemble the outline of a
4 leaf clover.
4 Types of Expressway Interchanges
Cross traffic is eliminated
Has medians or barriers
Pedestrians and slow vehicles are not permitted
Wide shoulders and underpasses
Signs to help anticipate decisions in advance
Designed for low-risk higher-speed travel. Safer on expressways than other highways.
Fewer collisions for 5 reasons
Expressway Driving
Full transcript