The Surface Transportation Act (US) of 1987 was the first transportation bill of the post-interstate era. It nominally gave power to apportion money to the Secretary of Transportation[?]. Most noticeably it allowed states to raise the speed limit to 65 miles per hour (105 km/h) on rural interstate highways.
... couples living together, 11.5% have a female householder with no husband present, and 16.6% are non-families. 13.2% of all households are made up of individuals and 4.4% ...