Question

Difficulty: EasyRight-of-Way Rules at Intersections

Three drivers approach a signalized intersection simultaneously under different movement intentions and signal states. Arrange the vehicles in the correct order of right-of-way priority, from first to proceed to last to proceed.

  1. 1A vehicle traveling straight through the intersection on a solid green light
  2. 2A vehicle making an unprotected left turn on a solid green light
  3. 3A vehicle turning right on a solid red light after making a complete stop

Answer

1. A vehicle traveling straight through the intersection on a solid green light
2. A vehicle making an unprotected left turn on a solid green light
3. A vehicle turning right on a solid red light after making a complete stop
Vehicles moving straight through an intersection on a solid green light hold highest priority. Drivers executing an unprotected left turn on green must yield to oncoming straight traffic, but hold right-of-way over vehicles turning right on a solid red light. Drivers turning right on red must yield to all traffic lawfully proceeding through the intersection on a green light.

Step-by-Step Solution

1
Identify through traffic on green signal
The vehicle moving straight on solid green has first priority.
Traffic proceeding straight through an intersection on a green signal has right-of-way over turning vehicles.
2
Evaluate turning traffic on green signal
The vehicle turning left on green proceeds second.
An unprotected left-turner yields to oncoming straight traffic, but has precedence over any vehicles facing a red signal.
3
Evaluate traffic turning on red signal
The vehicle turning right on solid red proceeds last.
Drivers turning right on red are legally required to yield to all active traffic clearing or entering the intersection on a green signal.

Key Concept

Right-of-Way Hierarchy at Signalized Intersections
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