This report has been prepared to serve two purposes: first, provide and distribute the data most frequently requested by local agencies; second, provide a convenient source of historical reference material for use by the Utah Department of Transportation (UDOT) staff and the Transportation Commissioners.
The annual Statistical Summary does not include report detail. It is limited to data of general interest which experience has shown to be most in demand.
Amounts shown in the tables, figures, appendices and text, which refer to the Utah State's Fiscal Year (FY) 2015, are for the period beginning July 1, 2014 and ending June 30, 2015. Historical information refers to the previous calendar or state fiscal year data, as indicated. Federal funding table figures are for the Federal Government's FY 2015, beginning October 1, 2014 and ending September 30, 2015.
Utah's public road mileage is calculated and published annually. Cities and counties report their respective mileage to UDOT to quality for B&C road funds. Current Utah public road mileage, as reported to UDOT, is displayed in the figure to the right
Figure 1.1 illustrates Vehicle Miles of Travel (VMT*) by road ownership and compares VMT to total highway network mileage. The State Highway System has approximately 67% of the annual VMT on 13% of the road network. County roads have 7% of the annual VMT on the 52% of the network, city roads have 26% of the annual VMT on 24% of the network, and other federal agencies have 0.3% of the annual VMT on 11% of the network.
Utah Traffic Trends
Figures 2.1 thru 2.5 illustrates changes in traffic trends on Utah's highways between 2006 and 2015. Figure 2.1 illustrates that Utah's estimated 2015 VMT will increase by 3.0%. Nationally, the VMT has increased 2.4% in 2015. Figure 2.2 thru 2.5 focus on highway safety trends. Data indicates that, on average, crashes have increased by 2% over the past decade.
Figure 2.3 displays injuries caused by crashes on Utah's public roads. Data indicates that injuries from crashes increased by 8% in 2015. When considering the increase in VMT over the past decade, injuries from crashes per mile driven have decreased by 10.3%
Figures 2.4 and 2.5, display the annual fatalities and fatality rate for the past ten years. The fatality rate represents fatalities per 100 million VMT. The pas decade has shown a decrease of 4.5% in the annual fatality rate from 1.10 to 0.97 per 100 million VMT. This long-term decline to the fatality rate, in spite of substantial travel and population growth, is attributable to two primary factors: first, today's roads are designed, built and maintained using higher safety standards; second, seat belt use and the overall safety of automobiles has increased.
Utah Pavement History
Roadway surface type along with traffic volume is a consideration in determining an adequate level of service for highways. in 2014, all but 15.7 miles on the state highway system were paved.
The figures below illustrate the pavement type of the combined totals of state, city and county roads. in 2014, 54% of roads were paved. By comparison, in 1994, 47% of roads were paved.
State Transportation Expenditures FY 2014
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State Transportation Funding Source FY 2015
State Transportation funding sources are showing in the figure to the left. Funding in FY 2015 totaled $1,440,978. Funding sources have been summarized into ten major categories.