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Chapter 2C -Warning Signs - PowerPoint PPT Presentation


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Millennium Edition Summary of Changes Chapter 2C -Warning Signs 1988 MUTCD Statement of all signs being either retroreflective or illuminated is repeated in the Chapter. Colors for warning signs are repeated in the Chapter. 2000 MUTCD Referenced in Section 2A.8. Referenced in Table 2A.5.

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visibility color warning signs
1988 MUTCD

Statement of all signs being either retroreflective or illuminated is repeated in the Chapter.

Colors for warning signs are repeated in the Chapter.

2000 MUTCD

Referenced in Section 2A.8.

Referenced in Table 2A.5.

Visibility & Color Warning Signs
sizes of warning signs
1988 MUTCD

The Chapter includes a discussion regarding the design of warning signs.

2000 MUTCD

Include a general Table 2C.2 to show the various warning sign sizes.

Sizes of Warning Signs
order of warning signs discussion
1988 MUTCD

Discussion of warning signs in the order of sign reference numbers.

2000 MUTCD

Reorder the discussion of warning signs so that the sections are discussed by category type and grouped by application.

New Table 2C.1

Order of Warning Signs Discussion
explanation of sign sizes
1988 MUTCD

Not in MUTCD and only discussed in the Standard Highway Signs Book.

2000 MUTCD

Explains when Standard, Minimum, and Expressway/Freeway size signs are used.

Table 2C-2 relates the warning sign sizes to roadway classification.

Explanation of Sign Sizes

Section 2C.4, par. 2

horizontal alignment signs
1988 MUTCD

Discussions on horizontal alignment signs (W1-1 thru W1-5) were in separate sections.

2000 MUTCD

Discussion on horizontal alignment signs would be combined.

Add new Table 2C-4, Horizontal Alignment Sign Usage.

Horizontal Alignment Signs

Section 2C.6

combination horizontal alignment advisory speed sign
1988 MUTCD

Not in MUTCD.

2000 MUTCD

Add a new discussion and new sign for Combination Horizontal Alignment/Advisory Speeds.

CombinationHorizontal Alignment/Advisory Speed Sign

Section 2C.7

combined intersection warning signs
1988 MUTCD

Not in MUTCD.

2000 MUTCD

New sign and new section which allows the Turn & Curve signs to be combined with the Cross Road & Side Road signs.

Combined Intersection Warning Signs

Section 2C.8, par. 1

chevron alignment sign
1988 MUTCD

Not in MUTCD

2000 MUTCD

Option to install this sign on the far side of a horizontal alignment intersection.

Chevron Alignment Sign
placement of no parking signs
Placement of “No Parking” Signs

Guidance that “No Parking” signs should be placed near the entrance to truck escape ramps.

Section 2C.12, par. 1

truck ramp signs
1988 MUTCD

Use of the term “runaway truck ramp.”

Not in MUTCD.

2000 MUTCD

Option of using the term “truck escape ramp.”

New word message sign (W7-4c)

Truck Ramp Signs

Section 2C.12

truck escape turnouts
1988 MUTCD

Section 2C-26, par. 6 discusses truck escape turnouts at hill crest & the optional use of diagrammatic signs for these situations.

2000 MUTCD

To delete this discussion from the text in Section 2C.12.

Truck Escape Turnouts
advisory speed plaque
1988 MUTCD

OPTION not in MUTCD.

2000 MUTCD

Add an OPTION of using the Advisory Speed (W13-1) plaque with the ROAD NARROWS sign.

Advisory Speed Plaque

Section 2C.13

low clearance sign
Low Clearance Sign

The use of the Low Clearance Sign to warn road users of overhead clearances less than the statutory maximum vehicle height is a STANDARD.

Section 2C.20

speed hump sign
1988 MUTCD

Not in the 1988 MUTCD

2000 MUTCD

A new section and word message sign added.

Speed Hump Sign
pavement ends sign
1988 MUTCD

The Advisory Speed plaque is not discussed in conjunction with the “Pavement Ends” sign.

Permitted use of the “Pavement Ends” symbol sign (W8-3a).

2000 MUTCD

The Advisory Speed plaque may be used to supplement the “Pavement Ends” word message sign when road conditions require change in speed.

Delete the use of the “Pavement Ends” symbol sign (W8-3a).

“Pavement Ends” Sign

Section 2C.23

shoulder signs
1988 MUTCD

No discussion in the MUTCD for the “Low Shoulder” sign (W8-9). Some confusion between the above sign and the “Shoulder Drop-off” sign (W8-9a).

2000 MUTCD

Include text explaining the “SOFT SHOULDER,” “LOW SHOULDER,” & “SHOULDER DROP-OFF” signs.

Use only word messages for these signs

Shoulder Signs

Section 2C.24

advance traffic control signs
1988 MUTCD

In 1988 MUTCD, Sections 2C-15, 2C-16, & 2C-17 are discussed separately.

2000 MUTCD

Combines Stop Ahead; Yield Ahead; & Signal Ahead sections into one section entitled, “Advance Traffic Control Signs.”

Advance Traffic Control Signs

Section 2C.26

advance traffic control signs21
1988 MUTCD

Not in 1988 MUTCD

2000 MUTCD

BE PREPARED TO STOP word message sign added to Chapter 2C.

Advance Traffic Control Signs

Section 2C.26

advance traffic control signs22
1988 MUTCD

Not in 1988 MUTCD

2000 MUTCD

Option to install a supplemental Street Name plaque above or below any Advance Traffic Control sign.

Advance Traffic Control Signs

Section 2C.26

cross traffic does not stop
1988 MUTCD

Not in MUTCD.

2000 MUTCD

Include an OPTION to install a new CROSS TRAFFIC DOES NOT STOP sign (W4-4P).

Cross Traffic Does Not Stop

CROSS TRAFFIC

DOES NOT STOP

Section 2C.27

exit speed ramp speed
1988 MUTCD

Not in MUTCD.

2000 MUTCD

Includes GUIDANCE to clarify between when the Exit Speed (W13-2) signs & the Ramp Speed (W13-3) signs should be used.

Exit Speed & Ramp Speed

Section 2C.33

new curve speed sign
1988 MUTCD

Not in MUTCD.

2000 MUTCD

The Curve Speed sign may be used to provide the advisory speed on roads and highways at the beginning of horizontal alignment changes.

New Curve Speed Sign

Section 2C.33

intersection signs
1988 MUTCD

Section 2C-11thru 2C-14 are discussed separately in the 1988 MUTCD.

Not in MUTCD.

2000 MUTCD

To combine the discussion in Sections 2C-11 thru 2C-14 into one section entitled, “Intersection Signs.”

Include a new Advance Street Name plaque to be used with Intersection Signs.

Intersection Signs

Section 2C.34

circular intersection sign
1988 MUTCD

Not in MUTCD.

2000 MUTCD

Include a new Circular Intersection (W2-6) sign.

Circular Intersection Sign

Section 2C.34

motorized traffic signs
1988 MUTCD

Not in MUTCD.

2000 MUTCD

A new Section 2C.36 entitled, “Motorized Traffic Signs.”

Motorized Traffic Signs

W11-8

EMERGENCY

SIGNAL

AHEAD

Supplemental Plaque

W11-12

crossing signs
1988 MUTCD

2000 MUTCD

Deletion of crosswalk lines on the Crossing Sign.

Crossing Signs

W11A-2

Advance Crossing

Crosswalk Sign

(with lines)

Section 2C.37

fluorescent yellow green
Fluorescent Yellow Green

The FHWA has included a change adopted in a final rule 6/19/98. This change allows the OPTIONAL use of the color fluorescent yellow green for pedestrian, bicycle, and school advance crossing and crossing signs.

Section 2C.36, pars. 6 & 7

supplemental warning plaques
1988 MUTCD

Not in MUTCD.

2000 MUTCD

Add a new discussion on the use of supplemental warning plaques.

Supplemental Warning Plaques

Section 2C.39

supplemental warning plaques cont
Supplemental Warning Plaques (cont.)
  • “Share the Road” Sign (W16-1)
  • Distance Plaques (W16-2 thru W16-4 & w7-3a)
  • Supplemental Arrow (W16-5 thru W16-7)
  • “Advisory Speed” Plaque (W13-1)
supplemental warning plaques cont33
Supplemental Warning Plaques (cont.)
  • “Hill Grade-Related” Plaques (W7-2 & W7-3 series)
  • “Advance Street Name” Plaque (W16-9)
  • “Dead End,” “No Outlet” Plaques (W14-1, W14-2)