If you meant an titled or containing "Index of Highway 2014" , no standard paper by that exact name exists in major databases (Google Scholar, Scopus, Web of Science).
: In 2014, the NHCCI showed a notable trend in construction costs. For example, some methodologies recorded the NHCCI at approximately 115.46 to 119.92 , indicating a steady rise in costs compared to the 2011 baseline of 100. index of highway 2014
to improve accuracy and mitigate the effect of outdated construction items. ASCE Library Key Values (2014): If you meant an titled or containing "Index