Source: U.S. Bureau of Labor Statistics
Release: Experimental Consumer Price Index
There are several limitations in the experimental price index which must be considered and understood by potential users of the data.
Go to http://www.bls.gov/news.release/cpi.br12396.a06.htm for more information.
U.S. Bureau of Labor Statistics, Experimental Consumer Price Index: Transportation [CPIETRANS], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/CPIETRANS, February 21, 2018.