For temporary traffic control, MUTCD
Manual on Uniform Traffic Control Devices
The Manual on Uniform Traffic Control Devices is a document issued by the Federal Highway Administration of the United States Department of Transportation to specify the standards by which traffic signs, road surface markings, and signals are designed, installed, and used. These specific…
Occupational Safety and Health Administration
The Occupational Safety and Health Administration is an agency of the United States Department of Labor. Congress established the agency under the Occupational Safety and Health Act, which President Richard M. Nixon signed into law on December 29, 1970. OSHA's mission is to …
What is the size of the Stop/Slow Paddle?
STOP/SLOW paddles shall be at least 18 inches wide with letters at least 6 inches high. The STOP (R1-1) face shall have white letters and a white border on a red background. The SLOW (W20-8) face shall have black letters and a black border on an orange background. When used at night, the STOP/SLOW paddle shall be retroreflectorized. Guidance:
What is the size of the Stop/Slow sign?
The size of the STOP/SLOW sign shall be at least 24 in. x 24 in. with letters at least 8 in. tall. The background of the STOP face shall be red with white letters and border.
What is the recommended flash rate for the Stop/Slow Paddle?
If flashing lights are used on the STOP/SLOW paddle, the flash rate shall be at least 50, but not more than 60, flashes per minute.
What material should the Stop/Slow Paddle be made of?
03The STOP/SLOW paddle should be fabricated from light semi-rigid material. Support: 04The optimum method of displaying a STOP or SLOW message is to place the STOP/SLOW paddle on a rigid staff that is tall enough that when the end of the staff is resting on the ground, the message is high enough to be seen by approaching or stopped traffic.
What is the minimum size requirement of a stop slow paddle?
Standard: The STOP/SLOW paddle shall have an octagonal shape on a rigid handle. STOP/SLOW paddles shall be at least 450 mm (18 in) wide with letters at least 150 mm (6 in) high and should be fabricated from light semirigid material.
How tall does a stop slow paddle have to be?
6 feetThe STOP/SLOW paddle must be used with a rigid staff tall enough that when the end of the staff is resting on the ground, the bottom of the STOP/SLOW paddle is a minimum of 6 feet above the pavement.
What is the recommended TX dot size for a stop slow paddle?
Properly used, the STOP/SLOW paddle gives a clear message to motorists because it is easily recognized and understood. Two sizes of STOP/SLOW paddles are used: • The smaller size is 18 by 18 inches. The larger size is 24 by 24 inches, and should be used when the roadway posted speed is 45 miles per hour or greater.
Which of the following manuals contains national standards and guidelines for flagger control?
The Manual on Uniform Traffic Control Devices for Streets and Highways (MUTCD) is incorporated in FHWA regulations and recognized as the national standard for traffic control devices used on all public roads.
What is a slow stop?
Stop/slow paddles are used by road crews and first responders to direct traffic and warn on coming traffic of hazards. Stop/slow paddles are used by road crews and first responders to direct traffic and warn on coming traffic of hazards.
Can flaggers sit down?
Since you control AFADs with a remote, human flaggers can stand at a distance or sit inside a vehicle near the area.
How do you determine the maximum spacing for channelizing devices?
The spacing of channelizing devices should not exceed a distance in meters (feet) equal to 0.2 times the speed limit in km/h (1.0 times the speed limit in mph) when used for taper channelization, and a distance in meters (feet) equal to 0.4 times the speed limit in km/h (2.0 times the speed limit in mph) when used for ...
What is the maximum time for an operation to be defined as short duration?
Short-term stationary is daytime work that occupies a location for more than 1 hour within a single daylight period. Short duration is work that occupies a location up to 1 hour. Mobile is work that moves intermittently or continuously.
What is the area in the Mutcd that is used to channel the motorists to the open travel lane?
transition areaThe transition area is that section of highway where road users are redirected out of their normal path. Standard: When redirection of the road users' normal path is required, they shall be channelized from the normal path to a new path.
What is MUTCD standard?
Current Edition. of MUTCD. The Manual on Uniform Traffic Control Devices for Streets and Highways, or MUTCD defines the standards used by road managers nationwide to install and maintain traffic control devices on all public streets, highways, bikeways, and private roads open to public travel.
What is the latest MUTCD?
Current MUTCD Edition The most current version of the MUTCD is the 2009 Edition with Revision Numbers 1 and 2 incorporated, dated May 2012.
What is the area in the MUTCD?
01 The activity area is the section of the highway where the work activity takes place. It is comprised of the work space, the traffic space, and the buffer space....Section 6C. 06 Activity Area.Speed*Distance35 mph250 feet40 mph305 feet45 mph360 feet50 mph425 feet8 more rows
When releasing mainline traffic past a haul road the stop side of the paddle should face?
1. The following methods of signaling with paddles shall be used: A. To stop road users, the flagger shall stand on shoulder, face road users and aim the STOP paddle face toward road users in a stationary position with the arm extended horizontally away from the body.
What is a transition area in a work zone?
The section of the work zone where the vehicles are redirected from their typical path is called the transition area.
What is a shifting taper?
Shifting Taper The shifting taper moves through lanes onto an alternate path but does not reduce the number of lanes. An example of a shifting taper is one used to move traffic around a temporary obstacle such as a bridge replacement or culvert installation.
Does CA Mutcd require a hard hat?
False. The MUTCD does not require flaggers to wear a hardhat but the State of Alaska does.
Section 6E.01 Qualifications For Flaggers
Guidance: 01 Because flaggers are responsible for public safety and make the greatest number of contacts with the public of all highway workers, th...
Section 6E.02 High-Visibility Safety Apparel
Standard: 01 For daytime and nighttime activity, flaggers shall wear high-visibility safety apparel that meets the Performance Class 2 or 3 require...
Section 6E.03 Hand-Signaling Devices
Guidance: 01 The STOP/SLOW paddle should be the primary and preferred hand-signaling device because the STOP/SLOW paddle gives road users more posi...
Section 6E.04 Automated Flagger Assistance Devices
Support: 01 Automated Flagger Assistance Devices (AFADs) enable a flagger(s) to be positioned out of the lane of traffic and are used to control ro...
Section 6E.05 Stop/Slow Automated Flagger Assistance Devices
Standard: 01 A STOP/SLOW Automated Flagger Assistance Device (AFAD) (see Section 6E.04) shall include a STOP/SLOW sign that alternately displays th...
Section 6E.06 Red/Yellow Lens Automated Flagger Assistance Devices
Standard: 01 A Red/Yellow Lens Automated Flagger Assistance Device (AFAD) (see Section 6E.04) shall alternately display a steadily illuminated CIRC...
Section 6E.07 Flagger Procedures
Support: 01 The use of paddles and flags by flaggers is illustrated in Figure 6E-3.Figure 6E-3 Use of Hand-Signaling Devices by FlaggersStandard: 0...
Section 6E.08 Flagger Stations
Standard: 01 Flagger stations shall be located such that approaching road users will have sufficient distance to stop at an intended stopping point...
Why is the Stop/Slow paddle used?
01The STOP/SLOW paddle should be the primary and preferred hand-signaling device because the STOP/SLOW paddle gives road users more positive guidance than red flags. Use of flags should be limited to emergency situations.
How many lights are on a stop paddle?
A series of eight or more small white or red lights no larger than 1/4 inch in diameter along the outer edge of the paddle, arranged in an octagonal pattern at the eight corners of the border of the STOP face; and/or a series of eight or more small white or yellow lights no larger than 1/4 inch in diameter along the outer edge of the paddle, arranged in a diamond pattern along the border of the SLOW face; or
How many flashing lights are needed for a paddle?
07If more than eight flashing lights are used, the lights shall be arranged such that they clearly convey the octagonal shape of the STOP face of the paddle and/or the diamond shape of the SLOW face of the paddle.
What color are flashing lights on a paddle?
06If flashing lights are used on the STOP face of the paddle, their colors shall be all white or all red. If flashing lights are used on the SLOW face of the paddle, their colors shall be all white or all yellow.
How to display a stop or slow message?
04The optimum method of displaying a STOP or SLOW message is to place the STOP/SLOW paddle on a rigid staff that is tall enough that when the end of the staff is resting on the ground, the message is high enough to be seen by approaching or stopped traffic .
What should the free edge of a flag be weighted?
10The free edge of a flag should be weighted so the flag will hang vertically, even in heavy winds.
How many red lights are there in a stop sign?
Two white or red lights, one centered vertically above and one centered vertically below the STOP legend; and/or two white or yellow lights, one centered vertically above and one centered vertically below the SLOW legend;