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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Legacy Publication

Legacy ID
1011
Show Effective Date
On
Significant Regulatory Guidance
No

Figure 11 Vehicle Miles Traveled

Figure 11 Vehicle Miles Traveled

(Billions)

Excel | CSV | Table Version

SOURCE: USDOT / Federal Highway Administration, Traffi c Volume Trends report available at http://www.fhwa.dot.gov/policy/ohpi/travel/index.htm

Figure 17 Forecasts of Vehicle Miles Traveled

Figure 17 Forecasts of Vehicle Miles Traveled

(Billions)

Excel | CSV | Graphic Version

Month VMT Lower prediction interval Upper prediction interval Oct-95 206.99     Nov-95 195.41     Dec-95 194.59...

Figure 19 Rail Passenger Miles

Figure 19 Rail Passenger Miles

(millions)

Excel | CSV | Graphic Version

Month RPM (Millions) Forecast of Rail PM (Millions) Lower whisker Upper whisker Jan-01 379.46 379.46     Feb-01 366.29 366.29     Mar-...

Table C1 Raw Data for Time Series Analysis

Table C1 Raw Data for Time Series Analysis

Excel | CSV

  Air RPM (000s) Rail PM VMT (billions) Jan-90 35,153,577 454,115,779 163.28 Feb-90 32,965,187 435,086,002 153.25 Mar-90 39,993,913 568,289,732 178.42 Apr-90 37,981,886...

Figure 10 Rail Passenger Miles

Figure 10 Rail Passenger Miles

(millions)

Excel | CSV | Table Version

SOURCE: FRA, Office of Safety website, Table 1.02 Operational Data Tables, available at http://safetydata.fra.dot.gov/OfficeofSafety/

APPENDIX D The Structural Time Series Model

APPENDIX D The Structural Time Series Model

Although terms such as “trend” and “seasonal” are intuitively appealing, they are mental constructs as we cannot observe them directly. Therefore, we use a structural modeling approach that treats them as unobserved...