Answer: cloverleaves

AnswerCrossword Clue
CLOVERLEAVESFeatures of many superhighways
CLOVERLEAVESModern highway intersections.
CLOVERLEAVESLucky foursome
cloverleavesroad arrangement, resembling a four-leaf clover in form, for permitting easy traffic movement between two intersecting high-speed highways. One highway passes over the other, and both are joined by a system of curved feeder roads permitting vehicles to en
cloverleavesshaped like or resembling a leaf or leaves of clover