The National Academies Press

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Pages 205-224

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From page 205... ... Chapter 9. Advanced Signal Systems CHAPTER 9 ADVANCED SIGNAL SYSTEMS CONTENTS 9.1 SYSTEMS ENGINEERING ...................................................................................................... Read the entire page →
From page 206... ... Chapter 9. Advanced Signal Systems LIST OF EXHIBITS Exhibit 9-1 System Requirements Categories .......................................................................... Read the entire page →
From page 207... ... Chapter 9. Advanced Signal Systems LIST OF EXHIBITS Exhibit 9-1 System Requirements Categories .......................................................................... Read the entire page →
From page 208... ... 9-2 Chapter 9. Advanced Signal Systems eventually be connected to technical requirements; all elements of a project are ultimately deined by and referenced back to the ConOps. Read the entire page →
From page 209... ... 9-2 Chapter 9. Advanced Signal Systems eventually be connected to technical requirements; all elements of a project are ultimately deined by and referenced back to the ConOps. Read the entire page →
From page 210... ... 9-4 Chapter 9. Advanced Signal Systems In order for an intersection to beneit from the dynamic phase length feature, a system must be capable of estimating vehicle demand. Read the entire page →
From page 211... ... 9-4 Chapter 9. Advanced Signal Systems In order for an intersection to beneit from the dynamic phase length feature, a system must be capable of estimating vehicle demand. Read the entire page →
From page 212... ... 9-6 Chapter 9. Advanced Signal Systems between 5 and 7) Read the entire page →
From page 213... ... 9-6 Chapter 9. Advanced Signal Systems between 5 and 7) Read the entire page →
From page 214... ... 9-8 Chapter 9. Advanced Signal Systems Exhibit 9-4 provides an example of how the relationship between inbound and outbound trafic can be used to identify different types of trafic low patterns (that will be associated with different offset values) Read the entire page →
From page 215... ... 9-8 Chapter 9. Advanced Signal Systems Exhibit 9-4 provides an example of how the relationship between inbound and outbound trafic can be used to identify different types of trafic low patterns (that will be associated with different offset values) Read the entire page →
From page 216... ... 9-10 Chapter 9. Advanced Signal Systems Paern Informaon Paern Signatures Paern 1 Paern 8 Paern 19 Paern 22 Paern 30 Type of Paern Heavy Inbound Volume Requiring Short Cycle/ Direconal Splits Balanced Volumes Requiring Short Cycle/ Balanced Splits Moderate Outbound Volume Requiring Medium Cycle /Balanced Splits Moderate Inbound Volume Requiring Long Cycle/ Direconal Splits Heavy Outbound Volume Requiring Long Cycle/ Balanced Splits Rao of Inbound Volume to Outbound Volume on Major Street 2:1 1:1 1:1.5 1.5:1 1:2 Crical Intersecon Major Street Volume (Inbound and Outbound) Read the entire page →
From page 217... ... 9-10 Chapter 9. Advanced Signal Systems Paern Informaon Paern Signatures Paern 1 Paern 8 Paern 19 Paern 22 Paern 30 Type of Paern Heavy Inbound Volume Requiring Short Cycle/ Direconal Splits Balanced Volumes Requiring Short Cycle/ Balanced Splits Moderate Outbound Volume Requiring Medium Cycle /Balanced Splits Moderate Inbound Volume Requiring Long Cycle/ Direconal Splits Heavy Outbound Volume Requiring Long Cycle/ Balanced Splits Rao of Inbound Volume to Outbound Volume on Major Street 2:1 1:1 1:1.5 1.5:1 1:2 Crical Intersecon Major Street Volume (Inbound and Outbound) Read the entire page →
From page 218... ... 9-12 Chapter 9. Advanced Signal Systems transition of objectives at different times of day. Read the entire page →
From page 219... ... 9-12 Chapter 9. Advanced Signal Systems transition of objectives at different times of day. Read the entire page →
From page 220... ... 9-14 Chapter 9. Advanced Signal Systems possible sequence and duration of phases should be in the next few seconds to minutes. Read the entire page →
From page 221... ... 9-14 Chapter 9. Advanced Signal Systems possible sequence and duration of phases should be in the next few seconds to minutes. Read the entire page →
From page 222... ... 9-16 Chapter 9. Advanced Signal Systems • Coniguration of interaction with third-party systems such as preemption, transit priority, and pedestrian countdown timers. Read the entire page →
From page 223... ... 9-16 Chapter 9. Advanced Signal Systems • Coniguration of interaction with third-party systems such as preemption, transit priority, and pedestrian countdown timers. Read the entire page →
From page 224... ... 9-18 Chapter 9. Advanced Signal Systems • Collect before-and-after performance data as close to the same date as possible. Read the entire page →

From page 205...

... Chapter 9. Advanced Signal Systems CHAPTER 9 ADVANCED SIGNAL SYSTEMS CONTENTS 9.1 SYSTEMS ENGINEERING ......................................................................................................