500 vehicles per hour

500 vehicles per day

5000 vehicles per hour

5000 vehicles per day

number of intersecting roads is between 4 and 7

space is limited and costly

when traffic volume is less than 500 vehicles per hour

when traffic volume is more than 5000 vehicles per hour

circular

tangent

elliptical

turbine

parallel parking

30° angle parking

45° angle parking

90° angle parking

parallel parking

45° angle parking

65° angle parking

90° angle parking