2024 PA DOT Practice Test 8
Based on
2024 PA Driver's Handbook
26. Which is true about ramp signals on entrance ramps?
A
All the others.
B
The signals work based on real-time traffic conditions and alternate between red and green lights to control the rate which vehicles enter the highway.
C
They break up the groups of merging vehicles to reduce the impacts of entering traffic to regulate the flow on the mainline.
D
Ramp Signals are activated during times of heavy congestion.