Cloverleaf interchange- Examples and Problems

A cloverleaf interchange is a two-level interchange at which left turns are done by ramp roads (reverse directions in left-driving regions) (US: ramps, UK: slip roads). Vehicles first proceed to go left (in right-hand traffic) as one lane crosses over or below the other, then exit right onto a one-way three-fourth loop ramp (270 °) … Read More Cloverleaf interchange- Examples and Problems