service road

Noun

 * 1) A relatively narrow road which runs alongside a major transportation route, such as a canal, a railway line, or a controlled-access highway.
 * 2) A route which enters or circulates through an institution, compound, land area, etc. for purposes of private access, maintenance, or security.
 * 1) A route which enters or circulates through an institution, compound, land area, etc. for purposes of private access, maintenance, or security.
 * 1) A route which enters or circulates through an institution, compound, land area, etc. for purposes of private access, maintenance, or security.