A way to inhibit driver reverses interfering with continuous intersection traffic

A way to keep vehicles at the center of the intersection from inhibiting traffic flow

A way to make available the full road width for traffic flow

A way to ensure that passenger loading and unloading of all vehicles is done at pre- designated locations for a given direction of traffic flow

A way to prevent vehicles from encroaching on spaces of other traffic flows which can operate at the same time without hindering each other

A way to prevent drivers from entering the intersection until they are able to completely cross so that they don’t obstruct perpendicuar traffic flow

A way to prevent vehicles from encroaching on sidewalk space (curbed or not)

A way for vehicles to be diverted onto other available lanes when a given lane is blocked (by construction, broken pipe, etc…) to ensure minimum traffic disruption.

A way to ensure vehicles going uphill on sloped intersections do not have to stop because it is hard for them to get their momentum back (esp. if they are heavy)