Slide 1:Iowa Bicycle Coalition www.iowabicyclecoalition.org 2.1 Traffic Principles


Slide 2:Apply in any traffic situation Avoid conflicts and collisions Decrease the likelihood of a crash Make your ride more enjoyable. Iowa Bicycle Coalition www.iowabicyclecoalition.org Principles of Traffic Law


Principles of Traffic Law :Principles of Traffic Law First Come First Served Iowa Bicycle Coalition www.iowabicyclecoalition.org Principles of Traffic Law


Principles of Traffic Law :Principles of Traffic Law Drive on the Right-hand Side of the Roadway Iowa Bicycle Coalition www.iowabicyclecoalition.org Principles of Traffic Law


Principles of Traffic Law :Principles of Traffic Law Never be a wrong-way rider Iowa Bicycle Coalition www.iowabicyclecoalition.org Principles of Traffic Law


Principles of Traffic Law :Principles of Traffic Law Yielding to Crossing Traffic Iowa Bicycle Coalition www.iowabicyclecoalition.org


Principles of Traffic Law :Principles of Traffic Law Minor roads yield to traffic on major roads. Iowa Bicycle Coalition www.iowabicyclecoalition.org Principles of Traffic Law


Principles of Traffic Law :Principles of Traffic Law Yielding when Changing Lanes Iowa Bicycle Coalition www.iowabicyclecoalition.org Principles of Traffic Law


Speed Positioning :Speed Positioning Parked cars on right. Faster cars in center lanes. Iowa Bicycle Coalition www.iowabicyclecoalition.org


Never overtake on the right. :Never overtake on the right.


Speed Positioning :Speed Positioning Slower Faster


Exceptions: :Exceptions: When turning left On multi-lane roads Iowa Bicycle Coalition www.iowabicyclecoalition.org


Intersection Positioning :Intersection Positioning


Right turners are next to the curb :Right turners are next to the curb


Right turners next to the curb :Right turners next to the curb


Right turners next to the curb :Right turners next to the curb


Slide 17:Right Turn Iowa Bicycle Coalition www.iowabicyclecoalition.org


Slide 18:Right Turn Iowa Bicycle Coalition www.iowabicyclecoalition.org


Left turners are near the centerline :Left turners are near the centerline


Left turners are near the centerline :Left turners are near the centerline


Left turners are near the centerline :Left turners are near the centerline


Slide 22:Left Turn Iowa Bicycle Coalition www.iowabicyclecoalition.org


Straight-through drivers are between these positions. :Straight-through drivers are between these positions.


Straight-through drivers are between these positions. :Straight-through drivers are between these positions.


Slide 25:Straight Through Iowa Bicycle Coalition www.iowabicyclecoalition.org


Intersection Positioning :Intersection Positioning Travel in the rightmost lane that the normal flow of traffic follows to your destination. Iowa Bicycle Coalition www.iowabicyclecoalition.org


Bicycling in Traffic :Bicycling in Traffic As a bicycle rider, you: are recognized as a legal driver of a vehicle in all states (Iowa Code §321.234). drive your bicycle as you would any vehicle. obey all traffic laws, signs and signals. Iowa Bicycle Coalition www.iowabicyclecoalition.org


When the lane is wide enough to safely share. :When the lane is wide enough to safely share.


The lanes are too narrow to safely share – Center or right hand tire track. :The lanes are too narrow to safely share – Center or right hand tire track. Lanes too narrow to share Iowa Bicycle Coalition www.iowabicyclecoalition.org


If traveling at the speed of traffic, take the lane traveling faster than other traffic, overtake on the left :If traveling at the speed of traffic, take the lane traveling faster than other traffic, overtake on the left Iowa Bicycle Coalition www.iowabicyclecoalition.org


Slide 31:Rightmost Lane that goes to your destination Iowa Bicycle Coalition www.iowabicyclecoalition.org


Right most turn lane :Right most turn lane Rightmost lane Iowa Bicycle Coalition www.iowabicyclecoalition.org


In single-destination lanes, ride on the right-hand side of the lane. :In single-destination lanes, ride on the right-hand side of the lane.


In multiple-destination lanes, ride in the side of the lane appropriate for your destination and current traffic conditions. :In multiple-destination lanes, ride in the side of the lane appropriate for your destination and current traffic conditions. A B C D E F G H I


Changing Lanes Safely :Changing Lanes Safely Confident and assertive, but not reckless. Iowa Bicycle Coalition www.iowabicyclecoalition.org


Changing Lanes Safely :Changing Lanes Safely In order to successfully change lanes: Plan ahead Look behind, perhaps several times Signal his or her intention Act carefully, smoothly and deliberately Negotiate as necessary Never move in front of another vehicle so close as to constitute a hazard Iowa Bicycle Coalition www.iowabicyclecoalition.org


Changing Lanes Safely :Changing Lanes Safely When the surrounding traffic is not more than 15 miles per hour faster than the cyclist, negotiate with overtaking motorists make two moves per lane. Iowa Bicycle Coalition www.iowabicyclecoalition.org


Slide 38:You Are Here You Need Turn Here


Slide 39:Plan Ahead


Slide 40:Scan Ahead Signal


Slide 41:Change Lane Position


Slide 42:Scan & Signal Again


Slide 43:Change Lanes


Slide 44:Signal and Scan Again


Slide 45:Change Lane Position


Slide 46:Signal to Turn


Passing Parked Cars :Passing Parked Cars


Slide 48:Door Zone Iowa Bicycle Coalition www.iowabicyclecoalition.org


One-Way Street Dual Destination :One-Way Street Dual Destination


Slide 50:Iowa Bicycle Coalition www.iowabicyclecoalition.org


Right-Turn Lane :Right-Turn Lane


Right-Turn Only Lane :Right-Turn Only Lane


Two-Way Street :Two-Way Street


Road with Left Turn Only Lane :Road with Left Turn Only Lane


Road with Continuous Left Turn Lane :Road with Continuous Left Turn Lane


Multi-Lane Road with No Turn Lane :Multi-Lane Road with No Turn Lane


2.1 Traffic Principles Summary :Iowa Bicycle Coalition www.iowabicyclecoalition.org 2.1 Traffic Principles Summary First come, first served Drive on right hand side Never wrong way Yield to crossing traffic Scan and yield when changing lanes Speed positioning Turning Bicycling in traffic Avoid the door zone