Assertion: turbine's number | /r/CapableOf | use u-turns
Facets:
Source sentences:
text: Using U-turns, the number for a freeway to a road can be reduced to three, by pointing both the on-ramp and the off-ramp toward the U-ramp, allowing cars entering to U-turn for the other way, and letting cars that wish to exit U-turn after passing the other road.