The term 'INTERSTATE FEATURE' can be broken down into two words, 'INTERSTATE' and 'FEATURE'. INTERSTATE is a term used to describe a highway system that connects states together. A FEATURE of an INTERSTATE is something that is found along the highway, such as a LANE or rest area. The crossword solutions for this term are 'LANE' (4 letters) and 'Restarea' (8 letters). A LANE is a portion of a road designated for a particular type of traffic, such as cars or trucks. A rest area is a place along the highway where drivers can take a break from driving, use the restroom, and get food and drinks.