Presentation on theme: "INTERSTATE DRIVING Information Processing: Complex Risk Environments"— Presentation transcript:
1 INTERSTATE DRIVING Information Processing: Complex Risk Environments Topic 1 Characteristics of ExpresswaysTopic 2 Enter, Changing Lanes, and ExitingTopic 3 High Speed Considerations
2 Characteristics of an Expressway Exit RampAccess RampDeceleration LaneAcceleration LaneMergingControlled access (entry and exit)High speed (up to 65 mph)Divided by some barrierMultiple lanesMinimum speed limitOnly for motorized vehicles
3 Cloverleaf Interchange To make a left turn, drive over or under the freeway onto which you wish to turn left, and exit to the right.Right turn
11 Entering the On-Ramp Check the Access Ramp Search for Gap/Open Space Merging
12 Entering Acceleration Lane Use lane change indicator (left) Accelerate to match the speed of traffic Recheck for gap on freeway
13 Entering Merge AreaBegin Acceleration Check Rear Zones and Left Rear Zones
14 Entering the Gap in Flow Mirror Checks/Blind Zone Checks if neededCheckingLook to the Target Area Ahead
15 Entering the Traffic Flow Search for proper entranceSearch for potential conflictsPrepare to adjust speedAvoid stopping on the rampPrepare to drive onto the shoulderMerge smoothlyCreate space around your vehicleAccess RampAcceleration LaneMerging
16 Entering the Appropriate Lane When merging, stay in the right lane to get used to the freeway faster rhythm.Center Vehicle in Proper Lane Adjust Speed to Traffic Flow and Law
17 Reduced Risk Lane Changes Entering or exitingAllowing another driver to enterFollowing large or slow-moving vehiclesLane ahead becomes blockedAnimalsPassing
18 Choosing Lanes at Exit/Entrance Right Lane:Heavier and slower vehiclesVehicles about to exitCenter Lane:Long distance or passingExit / EntryRight LaneCenter LaneLeft LaneLeft Lane:Used for passing except at rush hours
19 Choosing Lanes on Roadways Right Lane:Heavier and slower vehiclesVehicles about to exitCenter Lane:Long distance or passingLeft Lane:Used for passing except at rush hoursRight LaneCenter LaneLeft Lane
20 Passing on Multi-Lane Roads The green arrows show what the driver’s eyes are doing.The RED line shows the path of the car.
21 When Being Passed Check passing vehicle’s position Move away from it slightly if it is too closeDo not increase speedOnce passed, create space ahead and behindmove away
22 Multiple Lane Roadway Exit Check to Rear and Right Rear Use Mirrors and Check Blindzones Use lane change indicator(right)Exit RampDeceleration Lane
23 Lane Position at Exit Exit Ramp Maintain speed Check Mirrors Deceleration Lane
24 Deceleration on ExitEnter Exit Area Release Lane Changer Device Release Accelerator and Check RearExit RampDeceleration Lane
25 Adjusting Exit SpeedReduce Speed to Exit Speed Check New Path of Travel to FrontExit RampDeceleration Lane
27 Potential Exiting Problems “Weave” lane conflictsTraffic stopped on the exit rampShort deceleration laneVery slow ramp speedThere may be a stop sign or a traffic light at the end of the exit ramp.
28 On the Roadway… Do NotDrive over or across median, yellow painted line, or raised dividing sectionMake a left turn or a U-turnUse left lane except for passingChange lanes without signaling and checking for an open gap
29 On the Roadway… Do Not Drive onto freeway except through an on-ramp Park or Stop on the freeway, except at areas providedPark on shoulder unless you have an emergencyBackup
30 Multiple Lane Roadway Dangers Higher speeds-greater breaking distances needed. (takes longer to stop!)Field of vision is narrowedHighway hypnosisVelocitation effectEntering and exiting sometimes on the left
31 Multiple Lane Roadway Dangers Vehicles on shoulder re-enteringWindy sections of the roadwayTwo vehicles changing lanes into same laneSlow moving vehicles ahead“Pack Driving”Tire Hydroplaning during wet weather conditions
32 Highway HypnosisThis is a dull or drowsy condition that can occur because of the concentration needed while driving long distances. It becomes worse when the driver’s eyes focus on the yellow line.Plan breaks and rest stops to combat highway hypnosis or pull to a safe area for rest and sleep when tired.
33 Ramp Metering System of Lights and sensors Allows only one car at a timeFor entering a limited access highway.
34 Short Trips on Expressways Know the name, route, and number of the entrance and exit to be usedCheck vehicle for maintenance problemsTake a local map (if needed)Plan a time to travel to avoid congestion, above all as you approach major cities
35 Long Trips on Expressways Maintenance check of vehicleVehicle loading considerationsPlan stops for:FoodRestFuelKnow the route numbers neededCheck with police for construction delaysCarry money or credit cardsTake a map of planned route
36 Reducing Risk Entering the Roadway Search for proper entranceSearch for potential conflictsPrepare to adjust speedAvoid stopping on the rampPrepare to drive onto the shoulderMerge smoothlyCreate space around your vehicle
37 Increase Following Distance Following large trucks or busesFollowing motorcyclesDriving in bad weatherWhen being tailgatedWhen driving a heavy load or pulling a trailerEntering/exiting the expresswayINCREASE
38 Special Roadway Conditions Expressways through citiesDisabled vehiclesOthers along the roadwayYour vehicle becomes disabledConstruction areasToll booths