Patent ID: 8366342

Claim:
A method for improved vehicular movement between first and second roadways in crossing alignment, which method comprises: providing the first roadway at a distinct elevation above the second roadway in an area where the roadways cross each other; providing a first turn roadway connecting the first roadway with the second roadway and allowing a vehicle traveling on the first roadway in a first roadway first direction to continuously travel onto the second roadway in a second roadway first direction; providing a second turn roadway connecting the first roadway with the second roadway and allowing a vehicle traveling on the first roadway in the first roadway first direction to continuously travel onto the second roadway in a second roadway second direction opposite the second roadway first direction; providing a third turn roadway connecting the second roadway with the first roadway and allowing a vehicle traveling on the second roadway in the second roadway first direction to continuously travel onto the first roadway in the first roadway first direction; and providing a fourth turn roadway connecting the second roadway with the first roadway and allowing a vehicle traveling on the second roadway in the second roadway second direction to continuously travel onto the first roadway in the first roadway first direction, wherein the second turn roadway and the third turn roadway each at least in part form a first multi-turn ramp that traverses and is provided above the second roadway.