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

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.”

Section 6F.14 Special Regulatory Signs

Support:signs to enhance speed enforcement

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 Application

Speed Reduction Signs design changed from Regulatory to Warning.

Sign sizes removed from Figure

Section 6F.40TURN 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)

Option:

Shoulder drop-offs < 75mm (3”)

Guidance:

Shoulder drop-offs > 75 mm (3 in)

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

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

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)

Option – metric plaque

Standard – only used with Warning signs

Section 6F.52END ROAD WORK Sign (G20-2)

Guidance: place near end of termination area

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

Guidance:

450mm/18in min 250mm/10in min

Section 6F.55 Portable Changeable Message Signs

Guidance

3 Seconds Min

per Phase

Section 6F.55 Portable Changeable Message Signs

Standard

5 ft Rural, 7 ft Urban to bottom of PCMS

Section 6F.56Arrow Panels

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

conditions.

Chevron Mode Added

Section 6F.56Arrow Panels

Guidance:Arrow panel at start of

taper

Section 6F.56Arrow Panels

Used to:

Close lanes –OK

Shift Traffic-

NO

Figure 6F.58Channelizing Devices

Figure 6F-7

Lumber barricades have not passed NCHRP 350 crashworthiness testing.

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.63Type I, II, or III Barricades

2nd Guidance paragraph replacing Standard Ballast shall not

protrude into Pedestrian Path

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.

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

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

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

Section 6F.70 Opposing Traffic Lane Divider

Standard:

DON’T placed across PEDESTRIAN CROSSINGS

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

Section 6F.75Lighting Devices

Guidance:

Max. spacing same as channelization devices

Sections 6F.75 Lighting Devices

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

Section 6F.76 Floodlights

Support:

General work: 50 lux (5 ft-candles)

Precision work: 216 lux (20 ft-candles)

Section 6F.76Floodlights

Standard Lighting Flagger Stations @ nightNo Disabling Glare for Workers / Road

Users

Section 6F.78 Warning Lights

Type D 360-degree Warning Lights

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

Standard:

Damaged crash cushions shall be promptly repaired or replaced.

Section 6F.84Rumble Strips

4’4’

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