Manual on Road Traffic Engineering Facilities

Manual on Road Traffic Engineering Facilities

Highway Traffic Signals

CHAPTER 4A. GENERAL
Section 4A.01 Types
Section 4A.02 Definitions Relating to Highway Traffic Signals
 
CHAPTER 4B. TRAFFIC CONTROL SIGNALS—GENERAL
Section 4B.01 General
Section 4B.02 Basis of Installation or Removal of Traffic Control Signals
Section 4B.03 Advantages and Disadvantages of Traffic Control Signals
Section 4B.04 Alternatives to Traffic Control Signals
Section 4B.05 Adequate Roadway Capacity
 
CHAPTER 4C. TRAFFIC CONTROL SIGNAL NEEDS STUDIES
Section 4C.01 Studies and Factors for Justifying Traffic Control Signals
Section 4C.02 Warrant 1, Eight Hour Vehicular Volume
Section 4C.03 Warrant 2, Four Hour Vehicular Volume
Section 4C.04 Warrant 3, Peak Hour
Section 4C.05 Warrant 4, Pedestrian Volume
Section 4C.06 Warrant 5, School Crossing
Section 4C.07 Warrant 6, Coordinated Signal System
Section 4C.08 Warrant 7, Crash Experience
Section 4C.09 Warrant 8, Roadway Network
Section 4C.10 Warrant 9, Intersection Near a Grade Crossing
 
CHAPTER 4D. TRAFFIC CONTROL SIGNAL FEATURES
Section 4D.01 General
Section 4D.02 Responsibility for Operation and Maintenance
Section 4D.03 Provisions for Pedestrians
Section 4D.04 Meaning of Vehicular Signal Indications
Section 4D.05 Application of Steady Signal Indications
Section 4D.06 Signal Indications – Design, Illumination, Color, and Shape
Section 4D.07 Size of Vehicular Signal Indications
Section 4D.08 Positions of Signal Indications Within a Signal Face – General
Section 4D.09 Positions of Signal Indications Within a Vertical Signal Face
Section 4D.10 Positions of Signal Indications Within a Horizontal Signal Face
Section 4D.11 Number of Signal Faces on an Approach
Section 4D.12 Visibility, Aiming, and Shielding of Signal Faces
Section 4D.13 Lateral Positioning of Signal Faces
Section 4D.14 Longitudinal Positioning of Signal Faces
Section 4D.15 Mounting Height of Signal Faces
Section 4D.16 Lateral Offset (Clearance) of Signal Faces
Section 4D.17 Signal Indications for Left Turn Movements – General
Section 4D.18 Signal Indications for Permissive Only Mode Left Turn Movements
Section 4D.19 Signal Indications for Protected Only Mode Left Turn Movements
Section 4D.20 Signal Indications for Protected/Permissive Mode Left Turn Movements
Section 4D.21 Signal Indications for Right Turn Movements – General
Section 4D.22 Signal Indications for Permissive Only Mode Right Turn Movements
Section 4D.23 Signal Indications for Protected Only Mode Right Turn Movements
Section 4D.24 Signal Indications for Protected/Permissive Mode Right Turn Movements
Section 4D.25 Signal Indications for Approaches With Shared Left Turn/Right Turn Lanes and No Through Movement
Section 4D.26 Yellow Change and Red Clearance Intervals
Section 4D.27 Preemption and Priority Control of Traffic Control Signals
Section 4D.28 Flashing Operation of Traffic Control Signals – General
Section 4D.29 Flashing Operation – Transition Into Flashing Mode
Section 4D.30 Flashing Operation – Signal Indications During Flashing Mode
Section 4D.31 Flashing Operation – Transition Out of Flashing Mode
Section 4D.32 Temporary and Portable Traffic Control Signals
Section 4D.33 Lateral Offset of Signal Supports and Cabinets
Section 4D.34 Use of Signs at Signalized Locations
Section 4D.35 Use of Pavement Markings at Signalized Locations
 
CHAPTER 4E. PEDESTRIAN CONTROL FEATURES
Section 4E.01 Pedestrian Signal Heads
Section 4E.02 Meaning of Pedestrian Signal Head Indications
Section 4E.03 Application of Pedestrian Signal Heads
Section 4E.04 Size, Design, and Illumination of Pedestrian Signal Head Indications
Section 4E.05 Location and Height of Pedestrian Signal Heads
Section 4E.06 Pedestrian Intervals and Signal Phases
Section 4E.07 Countdown Pedestrian Signals
Section 4E.08 Pedestrian Detectors
Section 4E.09 Accessible Pedestrian Signals and Detectors – General
Section 4E.10 Accessible Pedestrian Signals and Detectors – Location
Section 4E.11 Accessible Pedestrian Signals and Detectors – Walk Indications
Section 4E.12 Accessible Pedestrian Signals and Detectors – Tactile Arrows and Locator Tones
Section 4E.13 Accessible Pedestrian Signals and Detectors – Extended Pushbutton Press Features
 
CHAPTER 4F. PEDESTRIAN HYBRID BEACONS
Section 4F.01 Application of Pedestrian Hybrid Beacons
Section 4F.02 Design of Pedestrian Hybrid Beacons
Section 4F.03 Operation of Pedestrian Hybrid Beacons
 
CHAPTER 4G. TRAFFIC CONTROL SIGNALS AND HYBRID BEACONS FOR EMERGENCY-VEHICLE ACCESS
Section 4G.01 Application of Emergency Vehicle Traffic Control Signals and Hybrid Beacons
Section 4G.02 Design of Emergency Vehicle Traffic Control Signals
Section 4G.03 Operation of Emergency Vehicle Traffic Control Signals
Section 4G.04 Emergency Vehicle Hybrid Beacons
 
CHAPTER 4H. TRAFFIC CONTROL SIGNALS FOR ONE-LANE, TWO-WAY FACILITIES
Section 4H.01 Application of Traffic Control Signals for One Lane, Two Way Facilities
Section 4H.02 Design of Traffic Control Signals for One Lane, Two Way Facilities
Section 4H.03 Operation of Traffic Control Signals for One Lane, Two Way Facilities
 
CHAPTER 4I. TRAFFIC CONTROL SIGNALS FOR FREEWAY ENTRANCE RAMPS
Section 4I.01 Application of Freeway Entrance Ramp Control Signals
Section 4I.02 Design of Freeway Entrance Ramp Control Signals
Section 4I.03 Operation of Freeway Entrance Ramp Control Signals
 
CHAPTER 4J. TRAFFIC CONTROL FOR MOVABLE BRIDGES
Section 4J.01 Application of Traffic Control for Movable Bridges
Section 4J.02 Design and Location of Movable Bridge Signals and Gates
Section 4J.03 Operation of Movable Bridge Signals and Gates
 
CHAPTER 4K. HIGHWAY TRAFFIC SIGNALS AT TOLL PLAZAS
Section 4K.01 Traffic Signals at Toll Plazas
Section 4K.02 Lane Use Control Signals at or Near Toll Plazas
Section 4K.03 Warning Beacons at Toll Plazas
 
CHAPTER 4L. FLASHING BEACONS
Section 4L.01 General Design and Operation of Flashing Beacons
Section 4L.02 Intersection Control Beacon
Section 4L.03 Warning Beacon
Section 4L.04 Speed Limit Sign Beacon
Section 4L.05 Stop Beacon
 
CHAPTER 4M. LANE-USE CONTROL SIGNALS
Section 4M.01 Application of Lane Use Control Signals
Section 4M.02 Meaning of Lane Use Control Signal Indications
Section 4M.03 Design of Lane Use Control Signals
Section 4M.04 Operation of Lane Use Control Signals
 
CHAPTER 4N. IN-ROADWAY LIGHTS
Section 4N.01 Application of In Roadway Lights
Section 4N.02 In Roadway Warning Lights at Crosswalks
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