A
|
--------------O-----O--------
/ | \
D | | | B
\ | /
--------O-----O--------------
|
C
O=traffic light
Traffic from A to B or C to D turns right and takes the
U-turn. Traffic from D to A or B to C goes
straight thru and takes the U-turn, then turns right.
All other movements are standard. This is done to remove
left turn conflicts, and is a variant on a
jughandle.