Service highway interchanges
All interchanges are using a 6 unit spacing between each highway direction. This allows for placement of a full lane in the median, such as a railroad, a ramp, a monorail, a bus lane, etc.
List of service highway interchanges :
– Diamond
– Diverging diamond / DDI (x2) : Overpass, Underpass
– Diverging T-Bone
– Double Crossover Merging Interchange / DCMI (x2) : Recessed, Regular
– Elevated roundabout
– 3 lanes roundabout
– Dogbone
– Dumbbell
– Cloverleaf (x2) : Urban, Regular
– Partial cloverleaf / Parclo (x6) : A2, A4, AB2, AB4, B2, B4
– Single boulevard to divided highway
– Double 3 lanes road to divided highway
– Michigan urban diamond / MUID
– Milwaukee A
– Milwaukee B
– Single-point highway interchange / SPUI
– Synchronized
– Texas U-Turn
– On-ramp & Off-ramp
– Urban On-ramp & Off-ramp
– Turbine roundabout highway interchange