An interchange between two high-speed routes where two of the cloverleaf ramps are replaced with directional ramps, generally in a stacked orientation.
About the Author: Alex
Cofounder of AARoads.com. Webmaster of both AARoads and Interstate-guide.com. Former cartographer for Mapsource, Inc. and Universal Map Group, LLC. Map specialist for GIS Cartography & Publishing Services.
Leave A Comment