ARTERIAL SERVICE by Metro Digital Resources Librarian • April 14, 2016 Generally major (long or heavily patronized) transit routes that operate on principal or major surface arterial streets. (TRB) _x000D_ Share:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Reddit (Opens in new window)Click to email this to a friend (Opens in new window)Click to print (Opens in new window)Like this:Like Loading... Related