Chapter 2C Warning Signs

1
Chapter 2C -Warning Signs
Millennium EditionSummary of Changes
2
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.

3
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.

4
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

5
Increase Minimum Size of Signs

• 1988 MUTCD

• 2000 MUTCD

Table 2C.2
6
Increase Minimum Size of Signs (cont.)

• 1988 MUTCD

• 2000 MUTCD

Table 2C.2
7
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.

Section 2C.4, par. 2
8
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.

Section 2C.6
9
CombinationHorizontal Alignment/Advisory Speed
Sign

• 1988 MUTCD
• Not in MUTCD.

• 2000 MUTCD
• Add a new discussion and new sign for Combination
  Horizontal Alignment/Advisory Speeds.

Section 2C.7
10
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.

Section 2C.8, par. 1
11
Chevron Alignment Sign

• 1988 MUTCD
• Not in MUTCD

• 2000 MUTCD
• Option to install this sign on the far side of a
  horizontal alignment intersection.

12
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
13
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)

Section 2C.12
14
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.

15
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.

Section 2C.13
16
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
17
Speed Hump Sign

• 1988 MUTCD
• Not in the 1988 MUTCD

• 2000 MUTCD
• A new section and word message sign added.

18
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).

Section 2C.23
19
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

Section 2C.24
20
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.

Section 2C.26
21
Advance Traffic Control Signs

• 1988 MUTCD
• Not in 1988 MUTCD

• 2000 MUTCD
• BE PREPARED TO STOP word message sign added to
  Chapter 2C.

Section 2C.26
22
Advance Traffic Control Signs

• 1988 MUTCD
• Not in 1988 MUTCD

• 2000 MUTCD
• Option to install a supplemental Street Name
  plaque above or below any Advance Traffic Control
  sign.

Section 2C.26
23
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
Section 2C.27
24
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.

Section 2C.33
25
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.

Section 2C.33
26
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.

Section 2C.34
27
Circular Intersection Sign

• 1988 MUTCD
• Not in MUTCD.

• 2000 MUTCD
• Include a new Circular Intersection (W2-6) sign.

Section 2C.34
28
Motorized Traffic Signs

• 1988 MUTCD
• Not in MUTCD.

• 2000 MUTCD
• A new Section 2C.36 entitled, Motorized Traffic
  Signs.

W11-8
EMERGENCY SIGNAL AHEAD
Supplemental Plaque W11-12
29
Crossing Signs

• 1988 MUTCD

• 2000 MUTCD
• Deletion of crosswalk lines on the Crossing Sign.

W11A-2
Advance Crossing
Crosswalk Sign (with lines)
Section 2C.37
30
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
31
Supplemental Warning Plaques

• 1988 MUTCD
• Not in MUTCD.

• 2000 MUTCD
• Add a new discussion on the use of supplemental
  warning plaques.

Section 2C.39
32
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)

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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)