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Section 5: Interchange Applications

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Introduction

In some situations, signing for a conventional highway is located at grade-separated interchanges or the ramps and frontage roads of freeways. This section addresses the unique signing applications of these situations.

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Interchanges

Signing situations for grade-separated interchange off-ramps, on-ramps, gore areas, and streets approaching the interchange are illustrated in Figures 7-16 through 7-18. This section covers both Stop and Yield sign controlled ramps.

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Frontage Roads

Frontage road signing issues for both the one-way and two-way frontage roads and their on- and off-ramps are addressed in this subsection. Figures 7-19 through 7-21 illustrate the placement of the signing on the frontage road and the intersection of the frontage road or ramp with a conventional highway.

Interchange Approach, 1 Lane Approach, Yield Ramp Control,
Approach Route Goes Through (click in image to see full-size image)

Figure 7-16. Interchange Approach, 1 Lane Approach, Yield Ramp Control, Approach Route Goes Through

Interchange Departure, 1 Lane Approach, Yield Ramp Control,
Approach Route Goes Through (click in image to see full-size image)

Figure 7-17. Interchange Departure, 1 Lane Approach, Yield Ramp Control, Approach Route Goes Through

Interchange Approach, 1 Lane Approach, Stop Ramp Control,
Approach Route Goes Through (click in image to see full-size image)

Figure 7-18. Interchange Approach, 1 Lane Approach, Stop Ramp Control, Approach Route Goes Through

One-Way Frontage Road Intersection Area Detail (click in image to see full-size image)

Figure 7-19. One-Way Frontage Road Intersection Area Detail

One-Way Frontage Road with Exit Ramp, 2 Lane Approach,
Stop Control (click in image to see full-size image)

Figure 7-20. One-Way Frontage Road with Exit Ramp, 2 Lane Approach, Stop Control

Two-Way Frontage Road with Exit Ramp, 1 Lane Approach,
Stop Control (click in image to see full-size image)

Figure 7-21. Two-Way Frontage Road with Exit Ramp, 1 Lane Approach, Stop Control

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