The term court has a few different meanings, but the most common local government usage is probably as a synonym for cul-de-sac, i.e. a dead-end street with only one inlet/outlet
Local Government & Municipal, Glossary of Roads & Transport Terms, (LGAM) Knowledge Base (Encouraging Collaboration & Konowledge Sharing), Australia 2013. http://lgam.wikidot.com/glossary-of-roads-transpor t-terms/p/10, (Road Trfc and Transp Sfty - Brit) {603}