2009 Edition Part 6. Temporary Traffic Control

QUICK LINKS
[ Chapter 6A ]	[ Chapter 6B ]	[ Chapter 6C ]	[ Chapter 6D ]	[ Chapter 6E ]
[ Chapter 6F ]	[ Chapter 6G ]	[ Chapter 6H ]	[ Chapter 6I ]
[ Figures ]	[ Tables ]

PART 6 TABLE OF CONTENTS
CHAPTER 6A.	GENERAL
Section 6A.01	General

CHAPTER 6B.	FUNDAMENTAL PRINCIPLES
Section 6B.01	Fundamental Principles of Temporary Traffic Control

CHAPTER 6C.	TEMPORARY TRAFFIC CONTROL ELEMENTS
Section 6C.01	Temporary Traffic Control Plans
Section 6C.02	Temporary Traffic Control Zones
Section 6C.03	Components of Temporary Traffic Control Zones
Section 6C.04	Advance Warning Area
Section 6C.05	Transition Area
Section 6C.06	Activity Area
Section 6C.07	Termination Area
Section 6C.08	Tapers
Section 6C.09	Detours and Diversions
Section 6C.10	One-Lane, Two-Way Traffic Control
Section 6C.11	Flagger Method of One-Lane, Two-Way Traffic Control
Section 6C.12	Flag Transfer Method of One-Lane, Two-Way Traffic Control
Section 6C.13	Pilot Car Method of One-Lane, Two-Way Traffic Control
Section 6C.14	Temporary Traffic Control Signal Method of One-Lane, Two-Way Traffic Control
Section 6C.15	Stop or Yield Control Method of One-Lane, Two-Way Traffic Control

CHAPTER 6D.	PEDESTRIAN AND WORKER SAFETY
Section 6D.01	Pedestrian Considerations
Section 6D.02	Accessibility Considerations
Section 6D.03	Worker Safety Considerations

CHAPTER 6E.	FLAGGER CONTROL
Section 6E.01	Qualifications for Flaggers
Section 6E.02	High-Visibility Safety Apparel
Section 6E.03	Hand-Signaling Devices
Section 6E.04	Automated Flagger Assistance Devices
Section 6E.05	STOP/SLOW Automated Flagger Assistance Devices
Section 6E.06	Red/Yellow Lens Automated Flagger Assistance Devices
Section 6E.07	Flagger Procedures
Section 6E.08	Flagger Stations

CHAPTER 6F.	TEMPORARY TRAFFIC CONTROL ZONE DEVICES
Section 6F.01	Types of Devices
Section 6F.02	General Characteristics of Signs
Section 6F.03	Sign Placement
Section 6F.04	Sign Maintenance
Section 6F.05	Regulatory Sign Authority
Section 6F.06	Regulatory Sign Design
Section 6F.07	Regulatory Sign Applications
Section 6F.08	ROAD (STREET) CLOSED Sign (R11-2)
Section 6F.09	Local Traffic Only Signs (R11-3a, R11-4)
Section 6F.10	Weight Limit Signs (R12-1, R12-2, R12-5)
Section 6F.11	STAY IN LANE Sign (R4-9)
Section 6F.12	Work Zone and Higher Fines Signs and Plaques
Section 6F.13	PEDESTRIAN CROSSWALK Sign (R9-8)
Section 6F.14	SIDEWALK CLOSED Signs (R9-9, R9-10, R9-11, R9-11a)
Section 6F.15	Special Regulatory Signs
Section 6F.16	Warning Sign Function, Design, and Application
Section 6F.17	Position of Advance Warning Signs
Section 6F.18	ROAD (STREET) WORK Sign (W20-1)
Section 6F.19	DETOUR Sign (W20-2)
Section 6F.20	ROAD (STREET) CLOSED Sign (W20-3)
Section 6F.21	ONE LANE ROAD Sign (W20-4)
Section 6F.22	Lane(s) Closed Signs (W20-5, W20-5a)
Section 6F.23	CENTER LANE CLOSED AHEAD Sign (W9-3)
Section 6F.24	Lane Ends Sign (W4-2)
Section 6F.25	ON RAMP Plaque (W13-4P)
Section 6F.26	RAMP NARROWS Sign (W5-4)
Section 6F.27	SLOW TRAFFIC AHEAD Sign (W23-1)
Section 6F.28	EXIT OPEN and EXIT CLOSED Signs (E5-2, E5-2a)
Section 6F.29	EXIT ONLY Sign (E5-3)
Section 6F.30	NEW TRAFFIC PATTERN AHEAD Sign (W23-2)
Section 6F.31	Flagger Signs (W20-7, W20-7a)
Section 6F.32	Two-Way Traffic Sign (W6-3)
Section 6F.33	Workers Signs (W21-1, W21-1a)
Section 6F.34	FRESH OIL (TAR) Sign (W21-2)
Section 6F.35	ROAD MACHINERY AHEAD Sign (W21-3)
Section 6F.36	Motorized Traffic Signs (W8-6, W11-10)
Section 6F.37	Shoulder Work Signs (W21-5, W21-5a, W21-5b)
Section 6F.38	SURVEY CREW Sign (W21-6)
Section 6F.39	UTILITY WORK Sign (W21-7)
Section 6F.40	Signs for Blasting Areas
Section 6F.41	BLASTING ZONE AHEAD Sign (W22-1)
Section 6F.42	TURN OFF 2-WAY RADIO AND CELL PHONE Sign (W22-2)
Section 6F.43	END BLASTING ZONE Sign (W22-3)
Section 6F.44	Shoulder Signs and Plaque (W8-4, W8-9, W8-17, and W8-17P)
Section 6F.45	UNEVEN LANES Sign (W8-11)
Section 6F.46	STEEL PLATE AHEAD Sign (W8-24)
Section 6F.47	NO CENTER LINE Sign (W8-12)
Section 6F.48	Reverse Curve Signs (W1-4 Series)
Section 6F.49	Double Reverse Curve Signs (W24-1 Series)
Section 6F.50	Other Warning Signs
Section 6F.51	Special Warning Signs
Section 6F.52	Advisory Speed Plaque (W13-1P)
Section 6F.53	Supplementary Distance Plaque (W7-3aP)
Section 6F.54	Motorcycle Plaque (W8-15P)
Section 6F.55	Guide Signs
Section 6F.56	ROAD WORK NEXT XX MILES Sign (G20-1)
Section 6F.57	END ROAD WORK Sign (G20-2)
Section 6F.58	PILOT CAR FOLLOW ME Sign (G20-4)
Section 6F.59	Detour Signs (M4-8, M4-8a, M4-8b, M4-9, M4-9a, M4-9b, M4-9c, and M4-10)
Section 6F.60	Portable Changeable Message Signs
Section 6F.61	Arrow Boards
Section 6F.62	High-Level Warning Devices (Flag Trees)
Section 6F.63	Channelizing Devices
Section 6F.64	Cones
Section 6F.65	Tubular Markers
Section 6F.66	Vertical Panels
Section 6F.67	Drums
Section 6F.68	Type 1, 2, or 3 Barricades
Section 6F.69	Direction Indicator Barricades
Section 6F.70	Temporary Traffic Barriers as Channelizing Devices
Section 6F.71	Longitudinal Channelizing Devices
Section 6F.72	Temporary Lane Separators
Section 6F.73	Other Channelizing Devices
Section 6F.74	Detectable Edging for Pedestrians
Section 6F.75	Temporary Raised Islands
Section 6F.76	Opposing Traffic Lane Divider and Sign (W6-4)
Section 6F.77	Pavement Markings
Section 6F.78	Temporary Markings
Section 6F.79	Temporary Raised Pavement Markers
Section 6F.80	Delineators
Section 6F.81	Lighting Devices
Section 6F.82	Floodlights
Section 6F.83	Warning Lights
Section 6F.84	Temporary Traffic Control Signals
Section 6F.85	Temporary Traffic Barriers
Section 6F.86	Crash Cushions
Section 6F.87	Rumble Strips
Section 6F.88	Screens

CHAPTER 6G.	TYPE OF TEMPORARY TRAFFIC CONTROL ZONE ACTIVITIES
Section 6G.01	Typical Applications
Section 6G.02	Work Duration
Section 6G.03	Location of Work
Section 6G.04	Modifications To Fulfill Special Needs
Section 6G.05	Work Affecting Pedestrian and Bicycle Facilities
Section 6G.06	Work Outside of the Shoulder
Section 6G.07	Work on the Shoulder with No Encroachment
Section 6G.08	Work on the Shoulder with Minor Encroachment
Section 6G.09	Work Within the Median
Section 6G.10	Work Within the Traveled Way of a Two-Lane Highway
Section 6G.11	Work Within the Traveled Way of an Urban Street
Section 6G.12	Work Within the Traveled Way of a Multi-Lane, Non-Access Controlled Highway
Section 6G.13	Work Within the Traveled Way at an Intersection
Section 6G.14	Work Within the Traveled Way of a Freeway or Expressway
Section 6G.15	Two-Lane, Two-Way Traffic on One Roadway of a Normally Divided Highway
Section 6G.16	Crossovers
Section 6G.17	Interchanges
Section 6G.18	Work in the Vicinity of a Grade Crossing
Section 6G.19	Temporary Traffic Control During Nighttime Hours

CHAPTER 6H.	TYPICAL APPLICATIONS
Section 6H.01	Typical Applications

CHAPTER 6I.	CONTROL OF TRAFFIC THROUGH TRAFFIC INCIDENT MANAGEMENT AREAS
Section 6I.01	General
Section 6I.02	Major Traffic Incidents
Section 6I.03	Intermediate Traffic Incidents
Section 6I.04	Minor Traffic Incidents
Section 6I.05	Use of Emergency-Vehicle Lighting

PART 6 FIGURES
CHAPTER 6C.	TEMPORARY TRAFFIC CONTROL ELEMENTS
Figure 6C-1	Component Parts of a Temporary Traffic Control Zone
Figure 6C-2	Types of Tapers and Buffer Spaces
Figure 6C-3	Example of a One-Lane, Two-Way Traffic Taper

CHAPTER 6E.	FLAGGER CONTROL
Figure 6E-1	Example of the Use of a STOP/SLOW Automated Flagger Assistance Device (AFAD)
Figure 6E-2	Example of the Use of a Red/Yellow Lens Automated Flagger Assistance Device (AFAD)
Figure 6E-3	Use of Hand-Signaling Devices by Flaggers

CHAPTER 6F.	TEMPORARY TRAFFIC CONTROL ZONE DEVICES
Figure 6F-1	Height and Lateral Location of Signs—Typical Installations
Figure 6F-2	Methods of Mounting Signs Other Than on Posts
Figure 6F-3	Regulatory Signs and Plaques in Temporary Traffic Control Zones
Figure 6F-4	Warning Signs and Plaques in Temporary Traffic Control Zones
Figure 6F-5	Exit Open and Closed and Detour Signs
Figure 6F-6	Advance Warning Arrow Board Display Specifications
Figure 6F-7	Channelizing Devices

CHAPTER 6H.	TYPICAL APPLICATIONS
Figure 6H-1	Work Beyond the Shoulder (TA-1)
Figure 6H-2	Blasting Zone (TA-2)
Figure 6H-3	Work on the Shoulders (TA-3)
Figure 6H-4	Short-Duration or Mobile Operation on a Shoulder (TA-4)
Figure 6H-5	Shoulder Closure on a Freeway (TA-5)
Figure 6H-6	Shoulder Work with Minor Encroachment (TA-6)
Figure 6H-7	Road Closure with a Diversion (TA-7)
Figure 6H-8	Road Closure with an Off-Site Detour (TA-8)
Figure 6H-9	Overlapping Routes with a Detour (TA-9)
Figure 6H-10	Lane Closure on a Two-Lane Road Using Flaggers (TA-10)
Figure 6H-11	Lane Closure on a Two-Lane Road with Low Traffic Volumes (TA-11)
Figure 6H-12	Lane Closure on a Two-Lane Road Using Traffic Control Signals (TA-12)
Figure 6H-13	Temporary Road Closure (TA-13)
Figure 6H-14	Haul Road Crossing (TA-14)
Figure 6H-15	Work in the Center of a Road with Low Traffic Volumes (TA-15)
Figure 6H-16	Surveying Along the Center Line of a Road with Low Traffic Volumes (TA-16)
Figure 6H-17	Mobile Operations on a Two-Lane Road (TA-17)
Figure 6H-18	Lane Closure on a Minor Street (TA-18)
Figure 6H-19	Detour for One Travel Direction (TA-19)
Figure 6H-20	Detour for a Closed Street (TA-20)
Figure 6H-21	Lane Closure on the Near Side of an Intersection (TA-21)
Figure 6H-22	Right-Hand Lane Closure on the Far Side of an Intersection (TA-22)
Figure 6H-23	Left-Hand Lane Closure on the Far Side of an Intersection (TA-23)
Figure 6H-24	Half Road Closure on the Far Side of an Intersection (TA-24)
Figure 6H-25	Multiple Lane Closures at an Intersection (TA-25)
Figure 6H-26	Closure in the Center of an Intersection (TA-26)
Figure 6H-27	Closure at the Side of an Intersection (TA-27)
Figure 6H-28	Sidewalk Detour or Diversion (TA-28)
Figure 6H-29	Crosswalk Closures and Pedestrian Detours (TA-29)
Figure 6H-30	Interior Lane Closure on a Multi-Lane Street (TA-30)
Figure 6H-31	Lane Closures on a Street with Uneven Directional Volumes (TA-31)
Figure 6H-32	Half Road Closure on a Multi-Lane, High-Speed Highway (TA-32)
Figure 6H-33	Stationary Lane Closure on a Divided Highway (TA-33)
Figure 6H-34	Lane Closure with a Temporary Traffic Barrier (TA-34)
Figure 6H-35	Mobile Operation on a Multi-Lane Road (TA-35)
Figure 6H-36	Lane Shift on a Freeway (TA-36)
Figure 6H-37	Double Lane Closure on a Freeway (TA-37)
Figure 6H-38	Interior Lane Closure on a Freeway (TA-38)
Figure 6H-39	Median Crossover on a Freeway (TA-39)
Figure 6H-40	Median Crossover for an Entrance Ramp (TA-40)
Figure 6H-41	Median Crossover for an Exit Ramp (TA-41)
Figure 6H-42	Work in the Vicinity of an Exit Ramp (TA-42)
Figure 6H-43	Partial Exit Ramp Closure (TA-43)
Figure 6H-44	Work in the Vicinity of an Entrance Ramp (TA-44)
Figure 6H-45	Temporary Reversible Lane Using Movable Barriers (TA-45)
Figure 6H-46	Work in the Vicinity of a Grade Crossing (TA-46)

CHAPTER 6I.	CONTROL OF TRAFFIC THROUGH TRAFFIC INCIDENT MANAGEMENT AREAS
Figure 6I-1	Examples of Traffic Incident Management Area Signs

PART 6 TABLES
CHAPTER 6C.	TEMPORARY TRAFFIC CONTROL ELEMENTS
Table 6C-1	Recommended Advance Warning Sign Minimum Spacing
Table 6C-2	Stopping Sight Distance as a Function of Speed
Table 6C-3	Taper Length Criteria for Temporary Traffic Control Zones
Table 6C-4	Formulas for Determining Taper Length
CHAPTER 6E.	FLAGGER CONTROL
Table 6E-1	Stopping Sight Distance as a Function of Speed
CHAPTER 6F.	TEMPORARY TRAFFIC CONTROL ZONE DEVICES
Table 6F-1	Temporary Traffic Control Zone Sign and Plaque Sizes
CHAPTER 6H.	TYPICAL APPLICATIONS
Table 6H-1	Index to Typical Applications
Table 6H-2	Meaning of Symbols on Typical Application Diagrams
Table 6H-3	Meaning of Letter Codes on Typical Application Diagrams
Table 6H-4	Formulas for Determining Taper Length