The Census Bureau releases TIGER/Line shapefiles and metadata each year to the public.
TIGER/Line shapefiles are spatial extracts from the Census Bureau’s MAF/TIGER database. They contain features such as roads, railroads, hydrographic features and legal and statistical boundaries.
re3data.org: U.S. Census Bureau TIGER/Line Shapefiles and TIGER/Line® Files;
editing status 2017-12-05;
re3data.org - Registry of Research Data Repositories. http://doi.org/10.17616/R3MD0H
last accessed: 2018-03-19