Yes, the cloverleaf’s biggest selling point is that it requires no stoplights.
As for the ddi, it looks like each direction of a ddi street only has two stoplights: one to enter and one to exit.
The ddi designer said that one of his design goals was to prevent multiple redlights for those entering a ddi. In other words, if you are unlucky enough to get stopped at a red light entering a ddi, once it goes green, you won’t get a red light at at the other end.
All highway engineers must have gone to the same seminar. We have one of those here in St George UT crossing over I15.