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Expressway Driving. Characteristics of Expressway Driving. Roadway. Speed. Interchanges No cross traffic Median Tollbooths Entrance/exit ramps Limited access More lanes . 55-65 MPH Minimum 45 mph IPDE faster Predict sudden stop. Characteristics of Expressway Driving. Other Users.

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Presentation Transcript
characteristics of expressway driving
Characteristics of Expressway Driving

Roadway

Speed

  • Interchanges
  • No cross traffic
  • Median
  • Tollbooths
  • Entrance/exit ramps
  • Limited access
  • More lanes
  • 55-65 MPH
  • Minimum 45 mph
  • IPDE faster
  • Predict sudden stop
slide3

Characteristics of Expressway Driving

Other Users

No pedestrians

Trucks

Motorcycles

Construction

Emergency vehicle

Signs & Signals

  • Green guide signs
  • Merge
  • No traffic signals
  • Interstate signs
advantages to expressway driving
Advantages to Expressway Driving
  • Designed for low-risk higher speed travel
  • Safer than other highways
  • No cross traffic
  • Median or barrier separates oncoming traffic
  • Pedestrians & slow moving cars are not allowed
  • Wide shoulders = good escape paths
  • Signs help anticipate conditions early
safe driving strategies
SafeDrivingStrategies
  • Collisions can be more serious
  • Know where you are going
  • Obey speed limit or common speed
  • Build experience gradually
  • Give full attention to driving task
  • Cooperate with other drivers
3 parts of entrance ramp
3 Parts of Entrance Ramp

See picture in textbook page 225

1. Entrance Ramp

2. Acceleration Lane

3. Merging Area

slide7

Steps for ENTERING expressway

Step # 1

Entrance you want ?

Is it an entrance?

slide8

Steps for ENTERING expressway

Step # 2

  • Check zones
  • Signal
  • Check rearview mirror and blind spot
slide9

Steps for ENTERING expressway

Step # 3

  • increase speed
  • check mirrors
  • check blind spot (just before moving over)

ACCELERATE!!!!

slide10

Steps for ENTERING expressway

Step # 4

  • Find TARGET (car) to follow
  • adjust speed
  • merge smoothly
slide11

Steps for ENTERING expressway

  • Step # 5
  • Cancel signal
  • adjust to speed of traffic
what is the purpose of the first head check early on ramp
What is the purpose of the first head check…early on ramp?

Check the volume of traffic and their speed…

(so you’ll know how fast to accelerate)

slide19
Look for a space to merge in...

What is the purpose of the second head check as the ramp begins to straighten?

slide20

…you are now building up speed- you should also…at this point:

…signal, mirror, final head check left

make any necessary speed adjustments
…make any necessary speed adjustments

…but what will you do if you can not get over because other vehicles are preventing your merge?

5 what other problems might you encounter entering the expressway
#5 What other problems might you encounter entering the expressway?

a. ramp

d. Merging area

b. Ramp signal lights

e. Entrance on left

c. Acceleration lane

shared entrance and exit
Shared entrance and exit

Best Lane Choice: Middle/Right Lane

slide39
IPDE
  • Identify—drivers have longer sight distance, MUST identify volume of traffic, signs & signals EARLY
you will not be delaying faster traffic
You will not be delaying faster traffic

Best Lane Choice: Middle/Right Lane

If you will be driving slower, why is it best to stay in the right lane?

slide42
You are in the right lane and predict a conflict with this merger. If you can, what is your best decision to avoid a conflict?

Change lanes

Other options: speed up or slow down

slide43

Stay away from mergers

If you are moving with the flow of traffic, why is it best to drive in the center lane most of the time?

slide46

Speed limits

    • Minimum speed limit

Driving too slowly can be dangerous on an expressway, highways have a set lowest speed

    • Common speed

Drive at the common speed used by most drivers so you can blend with expressway traffic, sometimes common speed is higher than maximum speed

slide47

Lane changing on expressway

    • Steps for making lane change (page 233)

Change one at a time, check mirrors, check blind spot, if path is clear then accelerate and move to next lane, cancel signal

    • Problems with lane changing—see pictures on page 233

Two cars could be moving into the same open space, traffic in lane you are moving into may be going much faster

exiting expressway page 236
Exiting Expresswaypage 236

STEPS:

  • at least ½ mile ahead of exit move into the lane that leads to exit, do not reduce speed until you are in deceleration lane
  • move into deceleration lane, cancel signal
  • flash brake lights to warn drivers behind you are slowing, check rear zones

4. identify ramp speed, check your speed, predict a yield sign, a stop sign or signal light at end of exit

slide49

Make a lane change right!

Best Lane Choice: Middle/Right Lane

If this driver wants to get off on Palatine Rd. what should they be doing ASAP?