I-695 toward Towson and MD 702 toward Essex form the mainline of the interchange while I-695 toward Glen Burnie forms the stem of the T.  Within the interchange, MD 702 crosses over Amtrak's Northeast Corridor railroad line and Northeast Creek, a tributary of the Back River that receives Stemmers Run.
The I-695 highway system in Maryland connects to the Towson area and Essex via I-695, while I-695 towards Glen Burnie forms the central spine of the interchange. MD 702 crosses over Amtrak's Northeast Corridor railroad line and Northeast Creek, a tributary of the Back River that receives Stemmers Run.