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RING 1 RING 2 $1 9 $5 MAJOR STREET $2 O none $6 BARRIER = Phase Number Protected Movement 43 MINOR STREET $4 Permitted Movement Pedestrian Movement BARRIER In this ring and barrier diagram, what sequencing is used for the protected left turns? O lead-lead lead-lag lag-lag

RING 1 RING 2 $1 9 $5 MAJOR STREET $2 O none $6 BARRIER = Phase Number Protected Movement 43 MINOR STREET $4 Permitted Movement Pedestrian Movement BARRIER In this ring and barrier diagram, what sequencing is used for the protected left turns? O lead-lead lead-lag lag-lag

Traffic and Highway Engineering
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter7: Intersection Design
Section: Chapter Questions
Problem 27P
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The image displays a ring and barrier diagram used in traffic signal design, featuring two rings labeled as RING 1 and RING 2. **RING 1:** - **Φ1:** Displays a protected left turn for the major street with corresponding arrows indicating movement direction. - **Φ2:** Indicates permitted through and right turn movements for the major street. **RING 2:** - **Φ5:** Shows a protected left turn for the major street. - **Φ6:** Indicates permitted through and right turn movements for the major street. **Minor Street Phases:** - **Φ3:** Displays permitted and protected left turns, with pedestrian movements indicated by symbols. - **Φ4:** Shows permitted and protected through and right turns. The phases are separated by barriers to prevent conflicting movements. **Legend:** - Solid arrows represent protected movements. - Dashed arrows indicate permitted movements. - A pedestrian symbol shows pedestrian movement. **Question:** In this ring and barrier diagram, what sequencing is used for the protected left turns? - ○ lead-lead - ○ lead-lag - ○ lag-lag - ○ none
Transcribed Image Text:The image displays a ring and barrier diagram used in traffic signal design, featuring two rings labeled as RING 1 and RING 2. **RING 1:** - **Φ1:** Displays a protected left turn for the major street with corresponding arrows indicating movement direction. - **Φ2:** Indicates permitted through and right turn movements for the major street. **RING 2:** - **Φ5:** Shows a protected left turn for the major street. - **Φ6:** Indicates permitted through and right turn movements for the major street. **Minor Street Phases:** - **Φ3:** Displays permitted and protected left turns, with pedestrian movements indicated by symbols. - **Φ4:** Shows permitted and protected through and right turns. The phases are separated by barriers to prevent conflicting movements. **Legend:** - Solid arrows represent protected movements. - Dashed arrows indicate permitted movements. - A pedestrian symbol shows pedestrian movement. **Question:** In this ring and barrier diagram, what sequencing is used for the protected left turns? - ○ lead-lead - ○ lead-lag - ○ lag-lag - ○ none
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ISBN:
9781305156241
Author:
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Publisher:
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