exaggerated reference to a cloverleaf, a road arrangement resembling a four-leaf clover in form for permitting easy trafficmovement between two intersecting highspeed highways. One highway passes over the other, and both are joined by a system of curved feeder roads permitting vehicles to enter and leave the highways. Forty-pass would suggest forty highways being involved. —Secrets of the MEST Universe Glossary (approved 26-9-90)