6F.01 Types of Devices

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6F.01 Types of Devices

• Support
• FHWA policy that work zone devices meet NCHRP
  Report 350

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Section 6F.02 General Characteristics of Signs
New table format, Table 6F-1 Sizes of Temporary
Traffic Control Signs showing the sizes of
temporary traffic control warning signs is added
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Section 6F.03Sign Placement

• Support
• If alterations are made to specific traffic
  control device supports that have been
  successfully crash tested in accordance with
  NCHRP Report 350, the altered supports might not
  be considered to be crashworthy.

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Section 6F.14 Special Regulatory Signs

• Support
• signs to enhance speed enforcement

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Section 6F.15 Warning Sign Function, Design
and Application

• Exit and Detour signs included in new Figure 6F-5

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Section 6F.15 Warning Sign Function, Design
and Application

• Speed Reduction Signs design changed from
  Regulatory to Warning.
• Sign sizes removed from Figure

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Section 6F.40TURN OFF 2-WAY RADIO AND CELL
PHONE Sign (W22-2)

• CELL added to sign message

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Section 6F.42 Shoulder Signs (W8-4, W8-9, W8-9a)

Option Shoulder drop-offs Guidance Shoulder drop-offs 75 mm (3 in)

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Section 6F.45 Double Reverse Curve Signs (W24
Series)

• Standard - of lanes illustrated of thru
  lanes available

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6F.47Special Warning signs

• Option may be used based on engineering
  judgment
• Guidance conform with color, shape, alphabet
  and series general requirements

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Section 6F.48 Advisory Speed Plaque (W13-1)
Option metric plaque Standard only used with
Warning signs
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Section 6F.52END ROAD WORK Sign (G20-2)

• Guidance place near end of termination area

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Section 6F.53Detour Signs and Markers (M4-8,
M4-8a, M4-8b, M4-9, M4-9a, M4-9b, M4-9c, and
M4-10)

• Option Fluorescent pink for Incident management

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Section 6F.55 Portable Changeable Message Signs

• Guidance

250mm/10in min
450mm/18in min
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Section 6F.55 Portable Changeable Message Signs

• Guidance

3 Seconds Min per Phase
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Section 6F.55 Portable Changeable Message Signs

• Standard

5 ft Rural, 7 ft Urban to bottom of PCMS
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Section 6F.56Arrow Panels

• Guidance
• Lane closure for multilane roadways, high speed,
  limited sight distance, unexpected conditions
• .

Chevron Mode Added
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Section 6F.56Arrow Panels

• Guidance
• Arrow panel at start of taper

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Section 6F.56Arrow Panels

• Used to
• Close lanes OK
• Shift Traffic-
• NO

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Section 6F.58 Channelizing Devices

• Guidance
• Should be crashworthy
• Fragments/debris should not pose significant
  hazard to road users or workers
• Compliance date January 17, 2005

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Figure 6F.58Channelizing Devices

• Figure 6F-7
• Lumber barricades have not passed NCHRP 350
  crashworthiness testing.

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Section 6F.59Cones

• Standard added on cones greater than 36 in
  height

Minimum of 4 retroreflective bands
Phase-in target compliance date 5 years
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Section 6F.63Type I, II, or III Barricades

• 2nd Guidance paragraph replacing Standard

Ballast shall not protrude into Pedestrian Path
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Section 6F.66 Longitudinal Channelizing
Barricades

• Guidance should conform to the general
  characteristics established for the devices
  described in Chapter 6F re
• - size
• - color
• - stripe pattern
• - retroreflectivity
• - placement.

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Section 6F.67 Other Channelizing Devices.

• New Section added
• Optional device
• Guidance conform to other Sections in Chapter 6F
  re
• Size
• Color
• Stripe Pattern
• Retroreflectivity
• Placement

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Section 6F.68 Detectable Edging for Pedestrians

• New Section added
• Guidance
• Protrude min. 150 mm (6 in) above surface at top
• Bottom of edging max. 62 mm (2.5 in) above
  surface
• Continuous except gaps for turning or crossing

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Section 6F.69 Temporary Raised Islands

• Standard---Temp. Raised Islands at Pedestrian
  Crossings
• Opening or shortened to provide at least 1500 mm
  (60 in) wide ped pathway

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Section 6F.70 Opposing Traffic Lane Divider

• Standard
• DONT placed across PEDESTRIAN CROSSINGS

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Section 6F.72 Temporary Pavement Markings

• Option
• Half-cycle lengths w/ min. 0.6 m (2 ft) stripes
  may be used on roadways w/ severe curvature for
  centerlines in passing zones and for lane lines.
• For temporary situations of 3 calendar days or
  less, for a 2- or 3-lane road, no-passing zones
  may be identified by

Guidance if used, place as per Sections 2B.29,
2B.30, 2C.35
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Section 6F.75Lighting Devices

• Guidance
• Max. spacing same as channelization devices

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Sections 6F.75 Lighting Devices

• Option---lights on maintenance vehicles for
  daylight maintenance operations

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Section 6F.76 Floodlights
Support General work 50 lux (5
ft-candles) Precision work 216 lux (20
ft-candles)
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Section 6F.76Floodlights

• Standard
• Lighting Flagger Stations _at_ night
• No Disabling Glare for Workers / Road Users

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Section 6F.78 Warning Lights

• Type D 360-degree Warning Lights

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Section 6F.80 Temporary Traffic Control Signals

• Guidance---Use Engineering Judgment re need for
  Ped signals or APS along Ped detour

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Section 6F.82 Crash Cushions

• Standard
• Damaged crash cushions shall be promptly repaired
  or replaced.

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Section 6F.84Rumble Strips

• Guidance---transverse rumble strips on roadway
• Not through ped crossings or on bike routes
• Min. 1.2 m (4 ft) clear path at edge of roadway
  used by bikes

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