4-Lane I-80 6-Lane I-80 6-Lane I-80 with AV UNIMPROVED IN THE IMPROVEMENTS IMPROVEMENTS KEY FINDINGS YEAR2040 Interstate 80 Automated Corridors Average crashes per Average crashes per Average crashes per mile will increase 9% mile will increase14% mile will decrease59% Planning and Environmental Linkages (PEL) Study STUDY with little change to the number with little change to the number and of fatal and major of fatal and major fatal and major injury crashes * * injury crashes injury crashes will decrease 50% * RESULTS *(with a 48% increase in volumes) *(with a 72% increase in volumes) *(with a 104% increase in volumes) 2040 Scenarios versus Existing Conditions The Iowa Department of Transportation (Iowa DOT) Vehicle crowding LEVELS OF AUTOMATION 35% less AUTOMATED VEHICLES will increase by 20% less vehicle crowding is conducting a Planning and Enviromental Linkages Data based on studies 55% vehicle crowding and average speeds Vehicles enabled with technology that allow vehicles to control parts of the driving task, under certain circumstances. causing average speeds (PEL) study of the rural portions of the Interstate 80 No Automation and analyses of two to to decrease and average speeds increase2% 0 ve general segments 5% remain the same as today

corridor to evulate future safety and mobility needs of TRAFFIC CAPACITY SAFETY of rural I-80. all freight and passenger travelers. Overall travel times will grow, Cellular increasing the Misery Index Misery Index Misery Index Connectivity 1 Driver Assistance Slight improvement More improvement STUDY APPROACH 6 to 12% 1 to 8% -1 to 3% Ultrasonic RELIABILITY • Research – Synthesis of studies on AV evolution and Central Sensors Computer Video predicted benefits to travelers Cameras Radar Sensors Partial Automation Helps track Laser Mapping (Lidar) 2 Near-term: AVs can mix efficiently with non-automated vehicles • Scenario Planning – Consider both aggressive and Creates a map of area conservative AV adoption rates potential futures Long-term: Planners should consider the increased number of trips AVs will generate • Traffic Capacity – Vissim modeling with 3 Conditional Automation custom-scripting to include vehicle-to-vehicle Our process: Key focus on flexibility in design due to uncertain AV future communication High Automation • Predictive Safety Analysis – Crash mapping approach 4 to reflect the combined crash reduction of AV FUTURE PROOFING RECOMMENDATIONS technologies on local crash patterns 650 ft. Full Automation Dedicated 5 • Develop a Smart Corridor • Travel Time Reliability Analysis – Assessing how Short Range automated vehicles reduce the prevalence and severity Communications Distance o Communication - Advanced cellular and fiber of crashes, the prevalence of recurring peak GPS (DSRC) Radio Infrared slowdowns, and the impact of weather o Power – Continuous power lines along corridor • Future Proofing - Providing flexibility in the proposed BENEFITS OF AVS RISE OF THE AVS: VIDEO PRODUCTION o Detection – Cameras, sensors, and data processing from AVs design features to accommodate multiple future • Enhanced pavement design scenarios, resulting in enhanced adaptability to future • Reducing the incidence of crashes related trends including AVs to human factors and weather o Consider more concentrated loading and increased truck traffic in • Strategic Communications – Develop a customized • Significant improvements to highway pavement design video to explain AV’s in a public friendly, easy to capacity without the need for additional understand way o Full width pavement base and geogrid recommended construction • Full width, full depth shoulders STUDY AREA • Improving travel efficiency and reliability o Shoulders may be used as AV lanes in the future PEL Study Area • Improving mobility to disabled and senior citizens 63 59 169 35 218 • Improving fuel efficiency through vehicle drafting (managed by TMC) 71 WISCONSIN 3 WESTBOUND LANES 3 EASTBOUND LANES • Reducing aggressive driving Sioux City Fort Dodge Waterloo Dubuque Future 380 SHOULDER GENERAL GENERAL GENERAL SHOULDER SHOULDER GENERAL GENERAL GENERAL SHOULDER 29 TRAVEL TRAVEL TRAVEL TRAVEL TRAVEL TRAVEL Ames Cedar Rapids 3 Westbound General Travel Lanes 3 Eastbound General Travel Lanes NEBRASKA 80 AUTOMATED VEHICLE Des Moines Iowa City 80 169 Davenport 63 Today Tomorrow Council 218 MARKET ADOPTION Blu s 71 59 ILLINOIS 35 29 100%

MISSOURI 90% Scenario 2 Based on the I-80 Automated SCENARIO PLANNING 80% Rise of the AVs FOR AN UNCERTAIN FUTURE Corridors Study, Iowa DOT 70% Scenario 4 produced a video that illustrates 60% Scenario 1 AV Domination AV technology and transportation Limit of Possible Future Early AV in Iowa. The video production Most Likely Possible Future 50% Adopters Scenario 3 uses 3D visualization and Vissim Limit of Possible Future 40% Limited AV tra c simulation from the Adopters 30% Interstate 80 Automated Corridor 2 Westbound4 WESTBOUND AV LANES Lanes 2 Eastbound4 EASTBOUND AV LANES Lanes Past Today Future Scenarios 20% study. The video will be used as an

Aggressive educational tool and illustration of

SHOULDER GENERAL GENERAL AV LANE AV LANE AV LANE AV LANE GENERAL GENERAL SHOULDER Study approach drives a set of conclusions and 2 WestboundTRAVEL GeneralTRAVEL Travel Lanes 2 Eastbound GeneralTRAVEL TravelTRAVEL Lanes 10% the industry leading research and Conservative recommendations that are developed with forethought 0% planning eorts in Iowa. CALL FOR STUDY: Develop a concept of operations for I-80 and AVs, of uncertainty of the future in mind. 2020 2025 2030 2035 2040 2045 2050 2055 2060 including infrastructure.

Gary Harris, John Narigon, Scott Marler, Brad Hofer, Sandra Larson Will Sharp, Ben Pierce, Chris Williges, Jon Markt, Katie Hatfield