6f 01 types of devices l.
Skip this Video
Download Presentation

Loading in 2 Seconds...

play fullscreen
1 / 36

- PowerPoint PPT Presentation

  • Uploaded on

6F.01 – Types of Devices Support: FHWA policy that work zone devices meet NCHRP Report 350 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

I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
Download Presentation

PowerPoint Slideshow about '' - JasminFlorian

Download Now An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
6f 01 types of devices
6F.01 – Types of Devices


FHWA policy that work zone devices meet NCHRP Report 350

section 6f 02 general characteristics of signs
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

section 6f 03 sign placement
Section 6F.03Sign Placement


“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.”

section 6f 14 special regulatory signs
Section 6F.14 Special Regulatory Signs


signs to enhance speed enforcement

section 6f 15 warning sign function design and application
Section 6F.15 Warning Sign Function, Design and Application

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

section 6f 15 warning sign function design and application6
Section 6F.15 Warning Sign Function, Design and Application

Speed Reduction Signs design changed from Regulatory to Warning.

Sign sizes removed from Figure

section 6f 40 turn off 2 way radio and cell phone sign w22 2

CELL added to sign message

section 6f 42 shoulder signs w8 4 w8 9 w8 9a
Section 6F.42 Shoulder Signs (W8-4, W8-9, W8-9a)


Shoulder drop-offs < 75mm (3”)


Shoulder drop-offs > 75 mm (3 in)

section 6f 45 double reverse curve signs w24 series
Section 6F.45Double Reverse Curve Signs (W24 Series)

Standard - # of lanes illustrated = # of thru lanes available

6f 47 special warning signs
6F.47Special Warning signs

Option: may be used based on engineering judgment

Guidance: conform with color, shape, alphabet and series general requirements

section 6f 48 advisory speed plaque w13 1
Section 6F.48 Advisory Speed Plaque (W13-1)

Option – metric plaque

Standard – only used with Warning signs

section 6f 52 end road work sign g20 2
Section 6F.52END ROAD WORK Sign (G20-2)

Guidance: place near end of termination area

section 6f 53 detour signs and markers m4 8 m4 8a m4 8b m4 9 m4 9a m4 9b m4 9c and m4 10
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

section 6f 55 portable changeable message signs
Section 6F.55Portable Changeable Message Signs


250mm/10in min

450mm/18in min

section 6f 55 portable changeable message signs15
Section 6F.55Portable Changeable Message Signs


3 Seconds Min

per Phase

section 6f 55 portable changeable message signs16
Section 6F.55Portable Changeable Message Signs


5 ft Rural, 7 ft Urban to bottom of PCMS

section 6f 56 arrow panels
Section 6F.56Arrow Panels


Lane closure for: multilane roadways, high speed, limited sight distance, unexpected conditions


Chevron Mode Added

section 6f 56 arrow panels18
Section 6F.56Arrow Panels


Arrow panel at start of taper

section 6f 56 arrow panels19
Section 6F.56Arrow Panels

Used to:

Close lanes –OK

Shift Traffic-


figure 6f 58 channelizing devices
Figure 6F.58Channelizing Devices

Figure 6F-7

Lumber barricades have not passed NCHRP 350 crashworthiness testing.

section 6f 59 cones
Section 6F.59Cones

Standard added on cones greater than 36” in height

Minimum of 4 retroreflective bands

Phase-in target compliance date 5 years

section 6f 63 type i ii or iii barricades
Section 6F.63Type I, II, or III Barricades

2nd Guidance paragraph replacing Standard

Ballast shall not protrude into Pedestrian Path

section 6f 66 longitudinal channelizing barricades
Section 6F.66Longitudinal Channelizing Barricades

Guidance: should conform to the general characteristics established for the devices described in Chapter 6F re:

- size

- color

- stripe pattern

- retroreflectivity

- placement.

section 6f 67 other channelizing devices
Section 6F.67Other Channelizing Devices.

New Section added

  • Optional device
  • Guidance: conform to other Sections in Chapter 6F re:
    • Size
    • Color
    • Stripe Pattern
    • Retroreflectivity
    • Placement
section 6f 68 detectable edging for pedestrians
Section 6F.68Detectable Edging for Pedestrians

New Section added:


  • 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
section 6f 69 temporary raised islands
Section 6F.69Temporary Raised Islands

Standard---Temp. Raised Islands at Pedestrian Crossings:

Opening or shortened to provide at least 1500 mm (60 in) wide ped pathway

section 6f 70 opposing traffic lane divider
Section 6F.70Opposing Traffic Lane Divider



section 6f 72 temporary pavement markings
Section 6F.72Temporary Pavement Markings


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

section 6f 75 lighting devices
Section 6F.75Lighting Devices


Max. spacing same as channelization devices

sections 6f 75 lighting devices
Sections 6F.75Lighting Devices

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

section 6f 76 floodlights
Section 6F.76 Floodlights


General work: 50 lux (5 ft-candles)

Precision work: 216 lux (20 ft-candles)

section 6f 76 floodlights32
Section 6F.76Floodlights


Lighting Flagger Stations @ night

No Disabling Glare for Workers / Road Users

section 6f 78 warning lights
Section 6F.78Warning Lights

Type D 360-degree Warning Lights

section 6f 80 temporary traffic control signals
Section 6F.80 Temporary Traffic Control Signals

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

section 6f 82 crash cushions
Section 6F.82 Crash Cushions


Damaged crash cushions shall be promptly repaired or replaced.

section 6f 84 rumble strips
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