By 1920 there were 7.5 million cars and trucks in the United States. The automobile industy was promoting the building of highways and the use of automobiles was beginning to have an affect on railroads.
"The motor car is the new transit power of the country, to which the time of the individual and the handling of short haul freight has been attuned. From comparative toy or novelty it has become a necessity, as evidenced by the tabulation of its users as presented herein."
| Year | Page | Image | Statistics |
|---|---|---|---|
| 1920 | Cover | jpg DjVu | Facts and Figures of the Automobile Industry |
| 1920 | 01 | jpg DjVu | Introduction |
| 1920 | 20 | jpg DjVu | Motor Vehicle Registration 1914-1919 |
| 1920 | 21 | jpg DjVu | Total Gross Vehicle Revenues 1914-1919 |
| 1920 | 36 | jpg DjVu | Ratio of Motor Vehicles to Population in the United States |
| 1920 | 37 | jpg DjVu | Persons Per Car - by State (1 in 10 Ohioans has a car) Cities with the Greatest Relative Number of Cars (Cleveland is 7th) |
| 1920 | 48-9 | jpg DjVu | Map - World Registration of Cars Proportional to Population |
| 1920 | 66 | jpg DjVu | Map - Proposed National Highways |
| 1920 | 67 | jpg DjVu | State and County Highway Unexpended Bond Issues Proposed National Highway System |
| 1921 | 08 | jpg DjVu | Truck Production by Capacities |
| 1921 | 09 | jpg DjVu | Motor Vehicle Factories by State Railroad Freight Car Load Shipments from Automobile Factories |
| 1921 | 12 | jpg DjVu | Chart - Enough Oil for 144 Years |
| 1921 | 13 | jpg DjVu | Fuel Supply Exceeds Consumption in 1920 Rubber Production |
| 1921 | 14 | jpg DjVu | Owners Say Cars Increase Efficiency by 57% |
| 1921 | 15 | jpg DjVu | Chart - Automobiles Aid All Occupations |
| 1921 | 16 | jpg DjVu | Chart - Where Cars Are |
| 1921 | 17 | jpg DjVu | Farmer-Owned Passenger Cars |
| 1921 | 20 | jpg DjVu | Chart - City Government Use of Passenger Cars Telephone Companies Use Thousands of Cars |
| 1921 | 21 | jpg DjVu | Motor Bus Use in 1200 Rural Schools Picture - School Before and After the Coming of the Car |
| 1921 | 28 | jpg DjVu | Map - Motor Trucks Lines Moving Freight Between Eight Railroads Entering Cincinnati |
| 1921 | 29 | jpg DjVu | Motor Trucks Save Time and Money Over Rail Service on Short Haul Routes |
| 1921 | 80 | jpg DjVu | Picture - Definition of Body Styles |
| 1921 | 81 | jpg DjVu | Picture - Definition of Body Styles |
| 1922 | 30 | jpg DjVu | Short Line Railroads Using Motor Buses With Flanged Wheel Equipment Quote - Effect of Motor Transport on RR Securities |
| 1922 | 31 | jpg DjVu | Motor Express Lines Listed by States Map - Principal Motor Transport Lines |
| 1922 | 32 | jpg DjVu | Map - 90 Motor Bus Lines in Maryland Electric Railways Operating Motor Buses |
| 1922 | 33 | jpg DjVu | Map - Traffic Map of Maryland Electric Railways Operating Motor Buses - Continued |
| 1922 | 34 | jpg DjVu | 108 U.S. Cities Using Motor Bus Lines |
| 1922 | 35 | jpg DjVu | Statistics of the Road Building Industry Motor Trucks Reduce Farm Costs |
| 1925 | 50 | jpg DjVu | How Railroads Profit From the Automobile Industry |
| 1925 | 51 | jpg DjVu | Chart - One Railroad's Contribution to and Benefits from the Highways Federal Aid Highway Payments 1917 - 1925 |
| 1927 | 24 | jpg DjVu | Map - Main Transcontinental Highway Routes |
| 1927 | 25 | jpg DjVu | Miles of Highway in U.S. by State Indiana Has Most Surfaced Roads - Ohio Second |
| 1927 | 26 | jpg DjVu | Federal Highway System of the U.S. Percentage of Interstate Traffic on State Highway Systems |
| 1927 | 27 | jpg DjVu | Federal Aid Highway Projects Completed During Calendar Year 1926 Graph - City Cars Main Users of State Highways |
| 1927 | 28 | jpg DjVu | Map - Heavy Intercity Travel in Ohio Survey |
| 1927 | 29 | jpg DjVu | Motor Vehicle Taxes in 1926 |
| 1927 | 38 | jpg DjVu | Number and % of Telephones, Pianos, Radios, Phonographs and Cars
based on population of residence Automobile Use Greatest in Small Towns |
| 1927 | 39 | jpg DjVu | 2,700,000 Two-Car Families in U.S. Typical Reasons for Multiple Car Ownership |
| 1927 | 64 | jpg DjVu | Map - Tonnage Hauled into Columbus, Ohio Trucks Lead on Short Hauls |
| 1927 | 65 | jpg DjVu | Motor Truck Fleets in the U.S. |
| 1927 | 66 | jpg DjVu | Leading Truck Fleets in the U.S.A. |
| 1927 | 67 | jpg DjVu | Truck and Rail Rates in Furnature Hauling Gains in Haulage of Livestock by Motor Truck |
| 1927 | 74 | jpg DjVu | Railroads Using Motor Trucks |
| 1927 | 75 | jpg DjVu | 60 Steam Railroads Use Buses California Points Served by Pickwick Motot Stages and Railroads |
| 1930 | 14 | jpg DjVu | Automobile Markets 1917 - 1929 Foreign/Domestic/Replacement/New Graph - Average Life of Car 6 3/4 Years |
| 1930 | 15 | jpg DjVu xls | Motor Vehicle Registrations 1895 - 1929 57% of Cars in Towns Under 10,000 Population |
