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Difficulty: HardRight-of-Way Rules at Intersections

Four vehicles approach a four-way intersection under the following distinct circumstances:
- Vehicle A is an active emergency vehicle with activated sirens and flashing emergency lights.
- Vehicle B arrived at the intersection complete stop line before Vehicles C and D.
- Vehicle C and Vehicle D arrived at their respective stop lines at the exact same time, shortly after Vehicle B. Vehicle C intends to travel straight through the intersection, while Vehicle D intends to execute a left turn across Vehicle C's lane of travel.

Arrange the vehicles in the correct sequential order in which they have the legal right-of-way to proceed through the intersection (from FIRST to LAST).

  1. 1Vehicle A (Emergency vehicle with active sirens and lights)
  2. 2Vehicle B (Standard vehicle that arrived first at the intersection)
  3. 3Vehicle C (Standard vehicle traveling straight, arriving simultaneously with Vehicle D)
  4. 4Vehicle D (Standard vehicle turning left, arriving simultaneously with Vehicle C)

Answer

The legal sequence of right-of-way from first to last is Vehicle A, followed by Vehicle B, then Vehicle C, and finally Vehicle D.
The legal order of precedence establishes priority by yielding first to active emergency vehicles (Vehicle A), applying the first-arrival rule for standard non-emergency traffic (Vehicle B), and resolving simultaneous arrival conflicts by giving straight-bound traffic right-of-way over left-turning traffic (Vehicle C before Vehicle D).

Step-by-Step Solution

1
Identify vehicles with special statutory right-of-way overrides.
Vehicle A proceeds first.
Emergency vehicles operating with active emergency signals override standard intersection arrival and right-of-way priority.
2
Determine priority among standard vehicles based on arrival timing.
Vehicle B proceeds second.
The first-to-arrive rule dictates that Vehicle B proceeds before vehicles that arrived at later timestamps.
3
Apply directional right-of-way rules for simultaneous arrival conflicts.
Vehicle C proceeds third, followed by Vehicle D fourth.
When two vehicles arrive simultaneously, left-turning traffic must yield to straight-through traffic.

Key Concept

Multi-tier Right-of-Way Precedence Hierarchy
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Topics

Right-of-Way Rules at Intersections

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