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Quarterly data, not seasonally adjusted
Index Q1 2003 = 1.00
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month Index of Highway Construction Costs 2003 Q1 1.00 2003 Q2 1.02 2003 Q3 1.00 2003 Q4...Quarterly data, not seasonally adjusted
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The National Highway Construction Cost Index (NHCCI) is a price index that tracks price changes associated with highway construction costs....
U.S. Major Air Carrier Domestic On-time Arrival Performance (monthly data, not seasonally adjusted)
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month On-Time Arrivals Late Arrivals Flights Cancelled Flights Diverted Flight...U.S. Major Air Carrier Domestic On-time Arrival Performance (monthly data, not seasonally adjusted)
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The share of flights arriving on time is a measure of service quality. Not only is this...
Monthly data, not seasonally adjusted
Hours
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month Upper Mississippi Ohio Other Jul-97 12,825 U U Aug-97 21,325 U U Sep-97 41,205 U U Oct-...Monthly data, not seasonally adjusted
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Lock delay is the extra time that commercial traffic spends moving through the nation's inland waterways. This delay is most often the result of...
Monthly data, not seasonally adjusted
Billion VMT
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month Vehicle-Miles Traveled Jan-90 163.60 Feb-90 153.56 Mar-90 178.77 Apr-90 179.03 May-90 189.25...Monthly data, not seasonally adjusted
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Vehicle-miles traveled (VMT) are key data for highway planning and management, and a common measure of roadway use. Along with other data, VMT are often used in...
Weekly data, not seasonally adjusted
Dollars per gallon
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week Average Retail Gas Prices Regular Grade, All Formulations 01/02/95 1.079 01/09/95 1.086 01/16/95 1....Weekly data, not seasonally adjusted
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Gasoline prices are an important cost component of highway transportation. Changes in gasoline prices affect the demand for highway transportation,...