Delaware Administrative Code
Title 2 - Transportation
2000 - Department of Transportation
2400 - Division of Transportation Solutions
2402 - Manual on Uniform Traffic Control Devices (MUTCD)
Part 2 - Signs
Chapter 2C - WARNING SIGNS AND OBJECT MARKERS
Section 2C.04 - Size of Warning Signs

Universal Citation: 2 DE Admin Code 2C.04

Current through Register Vol. 28, No. 3, September 1, 2024

Standard:

01 Except as provided in Section 2A.11, the sizes for warning signs shall be as shown in Table 2C-2.

Support:

02 Section 2A.11 contains information regarding the applicability of the various columns in Table 2C-2.

Standard:

03 Except as provided in Paragraph 5, the minimum size for all diamond-shaped warning signs facing traffic on a multi-lane conventional road where the posted speed limit is higher than 35 mph shall be 36 x 36 inches.

04 The minimum size for supplemental warning plaques that are not included in Table 2C-2 shall be as shown in Table 2C-3.

Option:

05 If a diamond-shaped warning sign is placed on the left-hand side of a multi-lane roadway to supplement the installation of the same warning sign on the right-hand side of the roadway, the minimum size identified in the Single Lane column in Table 2C-2 may be used.

06 Signs and plaques larger than those shown in Tables 2C-2 and 2C-3 may be used (see Section 2A.11).

Guidance:

07 The minimum size for all diamond-shaped warning signs facing traffic on exit and entrance ramps should be the size identified in Table 2C-2 for the mainline roadway classification (Expressway or Freeway). If a minimum size is not provided in the Freeway Column, the Expressway size should be used. If a minimum size is not provided in the Freeway or the Expressway Column, the Oversized size should be used.

Table 2C-2. Warning Sign and Plaque Sizes (Sheet 1 of 4)

(Delaware Revision)

Sign or Plaque Sign Designation Section Conventional Road Expressway Freeway Minimum Oversized
Single Lane Multi-Lane
Horizontal Alignment W1-1,2,3,4,5 2C.07 30 x 30* 36 x 36 36 x 36 36 x 36 - 48 x 48
Combination Horizontal Alignment/Advisory Speed W1-1a,2a 2C.10 36 x 36 36 x 36 48 x 48 48 x 48 - 48 x 48
One-Direction Large Arrow W1-6 2C.12 48 x 24 48 x 24 60 x 30 60 x 30 - 60 x 30
Two-Direction Large Arrow W1-7 2C.47 48 x 24 48 x 24 - - - 60 x 30
Chevron Alignment W1-8 2C.09 18 x 24 18 x 24 30 x 36 36 x 48 - 24 x 30
Combination Horizontal Alignment/Intersection W1-10,10a, 10b,10c,10d, 10e 2C.11 36 x 36 36 x 36 36 x 36 48 x 48 - -
Hairpin Curve W1-11 2C.07 30 x 30 30 x 30 36 x 36 48 x 48 - 48 x 48
Truck Rollover W1-13 2C.13 36 x 36 36 x 36 36 x 36 48 x 48 - 36 x 36
270-degree Loop W1-15 2C.07 30 x 30 30 x 30 36 x 36 48 x 48 - 48 x 48
Intersection Warning W2-1, 2,3,4,5,6,7,8 2C.46 30 x 30 30 x 30 36 x 36 - 24 x 24 48 x 48
Stop, Yield, or Signal AheadW3-1,2,32C.3630 x 3030 x 3048 x 4848 x 4830 x 30-
Red Signal Ahead When Flashing W3-3-DE 2C.36 60 x 48 60 x 48 72 x 48 - - -
Pedestrian Hybrid Beacon Ahead W3-3-DE1 2C.36 36 x 36 36 x 36 - - - 48 x 48
XX Signals Next XX Miles W3-3P-DE 2C.36 24 x 12 24 x 12 36 x 18 - - -
Be Prepared to Stop W3-4 2C.36 36 x 36 36 x 36 48 x 48 48 x 48 30 x 30 -
Reduced Speed Limit Ahead W3-5 2C.38 36 x 36 36 x 36 48 x 48 48 x 48 - -
Changeable Speed Limit Zone Ahead W3-5-DE 2C.38 - - 76 x 54 76 x 54 - -
Draw Bridge W3-6 2C.39 36 x 36 36 x 36 48 x 48 - - 60 x 60
Ramp Meter Ahead W3-7 2C.37 36 x 36 36 x 36 - - - -
Ramp Metered When Flashing W3-8 2C.37 36 x 36 36 x 36 - - - -
Merging Traffic W4-1 2C.40 36 x 36 36 x 36 48 x 48 48 x 48 30 x 30* -
Lane Ends W4-2 2C.42 36 x 36 36 x 36 48 x 48 48 x 48 30 x 30* -
Added Lane W4-3 2C.41 36 x 36 36 x 36 48 x 48 48 x 48 30 x 30* -
Cross Traffic Does Not Stop (plaque) W4-4P 2C.59 24 x 12 24 x 12 36 x 18 - - 48 x 24
Traffic From Left (Right) Does Not Stop (plaque) W4-4aP 2C.59 24 x 12 24 x 12 36 x 18 - - 48 x 24
Oncoming Traffic Does Not Stop (plaque) W4-4bP 2C.59 24 x 12 24 x 12 36 x 18 - - 48 x 24
Entering Roadway Merge W4-5 2C.40 36 x 36 36 x 36 48 x 48 - - -
No Merge Area (plaque) W4-5P 2C.40 18 x 24 18 x 24 24 x 30 - - -
Entering Roadway Added Lane W4-6 2C.41 36 x 36 36 x 36 48 x 48 - - -
Road Narrows W5-1 2C.19 36 x 36 36 x 36 48 x 48 48 x 48 30 x 30* -
Narrow Bridge W5-2 2C.20 36 x 36 36 x 36 48 x 48 48 x 48 30 x 30* -
One Lane Bridge W5-3 2C.21 36 x 36 36 x 36 48 x 48 48 x 48 30 x 30* -
Divided Highway W6-1 2C.22 36 x 36 36 x 36 48 x 48 48 x 48 - -
Divided Highway Ends W6-2 2C.23 36 x 36 36 x 36 48 x 48 48 x 48 - -
Two-Way Traffic W6-3 2C.44 36 x 36 36 x 36 48 x 48 48 x 48 - -
Hill W7-1 2C.16 30 x 30* 36 x 36 36 x 36 36 x 36 24 x 24* 48 x 48
Hill with Grade W7-1a 2C.16 30 x 30* 36 x 36 36 x 36 36 x 36 24 x 24* 48 x 48
Use Low Gear (plaque) W7-2P 2C.57 24 x 18 24 x 18 - - - -
Trucks Use Lower Gear (plaque) W7-2bP 2C.57 24 x 18 24 x 18 - - - -
XX% Grade (plaque) W7-3P 2C.57 24 x 18 24 x 18 - - - -
Next XX Miles (plaque) W7-3aP 2C.55 24 x 18 24 x 18 - - - -
XX% Grade, XX Miles (plaque) W7-3bP 2C.57 24 x 18 24 x 18 - - - -
Runaway Truck Ramp XX Miles W7-4 2C.17 78 x 48 78 x 48 78 x 48 78 x 48 - -

Table 2C-2. Warning Sign and Plaque Sizes (Sheet 2 of 4)

(Delaware Revision)Sign or Plaque Sign Designation Section Conventional Road Expressway Freeway Minimum Oversized
Single Lane Multi-Lane
Runaway Truck Ramp (with arrow) W7-4b 2C.17 78 x 60 78 x 60 78 x 60 78 x 60 - -
Truck Escape Ramp W7-4c 2C.17 78 x 60 78 x 60 78 x 60 78 x 60 - -
Sand, Gravel, Paved (plaques) W7-4dP, 4eP,4fP 2C.17 24 x 12 24 x 12 24 x 12 24 x 12 - -
Hill Blocks View W7-6 2C.18 30 x 30* 36 x 36 36 x 36 - - 48 x 48
Bump or Dip W8-1,2 2C.28 30 x 30* 36 x 36 36 x 36 48 x 48 24 x 24* 48 x 48
Pavement Ends W8-3 2C.30 36 x 36 36 x 36 48 x 48 - 30 x 30* -
Soft Shoulder W8-4 2C.31 36 x 36 36 x 36 48 x 48 48 x 48 24 x 24* 48 x 48
Slippery When Wet W8-5 2C.32 30 x 30* 36 x 36 36 x 36 48 x 48 24 x 24* 48 x 48
Road Condition (plaques) W8-5P,5bP,5cP 2C.32 24 x 18 24 x 18 30 x 24 36 x 30 - 36 x 30
Ice W8-5aP 2C.32 24 x 12 24 x 12 30 x 18 30 x 18 - -
Truck Crossing W8-6 2C.49 36 x 36 36 x 36 36 x 36 48 x 48 24 x 24* 48 x 48
Loose Gravel W8-7 2C.32 36 x 36 36 x 36 36 x 36 - 24 x 24* 48 x 48
Rough Road W8-8 2C.32 36 x 36 36 x 36 36 x 36 48 x 48 24 x 24* 48 x 48
Low Shoulder W8-9 2C.31 36 x 36 36 x 36 36 x 36 48 x 48 24 x 24* 48 x 48
Uneven Lanes W8-11 2C.32 36 x 36 36 x 36 36 x 36 48 x 48 - 48 x 48
No Center Line W8-12 2C.34 36 x 36 36 x 36 36 x 36 48 x 48 - -
Bridge Ices Before Road W8-13 2C.32 36 x 36 36 x 36 36 x 36 48 x 48 24 x 24* 48 x 48
Fallen Rocks W8-14 2C.32 30 x 30* 36 x 36 36 x 36 48 x 48 24 x 24* 48 x 48
Grooved Pavement W8-15 2C.33 30 x 30* 36 x 36 36 x 36 48 x 48 24 x 24* 48 x 48
Motorcycle (plaque) W8-15P 2C.33 24 x 18 24 x 18 30 x 24 36 x 30 - 36 x 30
Metal Bridge Deck W8-16 2C.33 30 x 30* 36 x 36 36 x 36 48 x 48 24 x 24* 48 x 48
Shoulder Drop Off (symbol) W8-17 2C.31 30 x 30* 36 x 36 36 x 36 48 x 48 24 x 24* 48 x 48
Shoulder Drop-Off (plaque) W8-17P 2C.31 24 x 18 24 x 18 30 x 24 36 x 30 - 36 x 30
Road May Flood W8-18 2C.35 36 x 36 36 x 36 36 x 36 48 x 48 24 x 24* 48 x 48
Flood Gauge W8-19 2C.35 12 x 72 12 x 72 - - - -
Gusty Winds Area W8-21 2C.35 36 x 36 36 x 36 36 x 36 48 x 48 24 x 24* 48 x 48
Fog Area W8-22 2C.35 36 x 36 36 x 36 36 x 36 48 x 48 24 x 24* 48 x 48
No Shoulder W8-23 2C.31 36 x 36 36 x 36 36 x 36 48 x 48 24 x 24* 48 x 48
Shoulder Ends W8-25 2C.31 30 x 30* 36 x 36 36 x 36 48 x 48 24 x 24* 48 x 48
Left (Right) Lane Ends W9-1 2C.42 36 x 36 36 x 36 36 x 36 48 x 48 30 x 30* 48 x 48
Lane Ends Merge Left (Right) W9-2 2C.42 36 x 36 36 x 36 36 x 36 48 x 48 30 x 30* 48 x 48
Lane Ends W9-2-DE 2C.42 36 x 36 36 x 36 36 x 36 48 x 48 30 x 30* 48 x 48
Right (Left) Lane Exit Only Ahead W9-7 2C.43 132 x 72 132 x 72 132 x 72 132 x 72 - -
Bicycle, Bicycle In Lane W11-1, 1-DE 2C.49 30 x 30 30 x 30 36 x 36 - 24 x 24* 48 x 48
Pedestrian W11-2 2C.50 30 x 30* 36 x 36 36 x 36 - 24 x 24* 48 x 48
Large Animals W11-3,4,16,17,18, 19,20,21,22 2C.50 30 x 30* 36 x 36 36 x 36 - 24 x 24* 48 x 48
DuckW11-3-DE2C.5030 x 30*30 x 30----
Farm Vehicle W11-5,5a 2C.49 30 x 30* 36 x 36 36 x 36 - 24 x 24* 48 x 48
Snowmobile W11-6 2C.50 30 x 30* 36 x 36 36 x 36 - 24 x 24* 48 x 48
Equestrian W11-7 2C.50 30 x 30* 36 x 36 36 x 36 - 24 x 24* 48 x 48
Emergency Vehicle W11-8 2C.49 30 x 30* 36 x 36 36 x 36 - 24 x 24* 48 x 48
Emergency Vehicles W11-8-DE 2C.49 30 x 30* 36 x 36 36 x 36 - 24 x 24* 48 x 48
Handicapped W11-9 2C.50 30 x 30* 36 x 36 36 x 36 - - 48 x 48
Truck W11-10 2C.49 30 x 30* 36 x 36 36 x 36 - 24 x 24* 48 x 48
Truck Entrance W11-10-DE 2C.49 30 x 30* 36 x 36 36 x 36 - - 48 x 48
Golf Cart W11-11 2C.49 30 x 30* 36 x 36 36 x 36 - 24 x 24* 48 x 48
Duck W11-11-DE 2C.50 30 x 30* 30 x 30 - - - -

Table 2C-2. Warning Sign and Plaque Sizes (Sheet 3 of 4)

(Delaware Revision)

Sign or Plaque Sign Designation Section Conventional Road Expressway Freeway Minimum Oversized
Single Lane Multi-Lane
Emergency Signal Ahead (plaque) W11-12P 2C.49 36 x 30 36 x 30 36 x 30 - - -
Fire Signal Stop on Flashing Red W11-12-DE 2C.49 60 x 48 60 x 48 72 x 48 - - 72 x 48
Horse-Drawn Vehicle W11-14 2C.49 30 x 30* 36 x 36 36 x 36 - 24 x 24* 48 x 48
Bicycle / Pedestrian W11-15 2C.49 30 x 30* 36 x 36 36 x 36 - 24 x 24* 48 x 48
Trail Crossing W11-15a 2C.49 30 x 30* 36 x 36 36 x 36 - 24 x 24* 48 x 48
Trail X-ing (plaque) W11-15P 2C.49 24 x 18 24 x 18 30 x 24 - - 36 x 30
Low Flying Aircraft W11-23-DE 2C.50 30 x 30* 30 x 30 36 x 36 - - -
Hidden Entrance (plaque) W11-24aP-DE 2C.49 24 x 12 24 x 12 - - - -
Plant Entrance W11-25-DE 2C.49 30 x 30* 36 x 36 36 x 36 - - -
Double Arrow W12-1 2C.25 30 x 30* 36 x 36 36 x 36 - - -
Low Clearance (with arrows) W12-2 2C.27 36 x 36 36 x 36 48 x 48 48 x 48 30 x 30* -
Low Clearance W12-2a 2C.27 78 x 24 78 x 24 - - - -
Advisory Speed (plaque) W13-1P 2C.08 18 x 18 18 x 18 24 x 24 30 x 30 - 30 x 30
Advisory Exit or Ramp Speed W13-2,3 2C.14 24 x 30 24 x 30 36 x 48 48 x 60 - 48 x 60
Combination Horizontal Alignment/Advisory Exit or Ramp Speed W13-6,7 2C.15 24 x 42 24 x 42 36 x 60 36 x 60 - 48 x 84
Dead End, No Outlet W14-1,2 2C.26 30 x 30* 36 x 36 36 x 36 - 24 x 24* 48 x 48
Dead End, No Outlet (with arrow) W14-1a,2a 2C.26 36 x 8 36 x 8 - - - -
No Passing Zone (pennant) W14-3 2C.45 48 x 48 x 36 48 x 48 x 36 - - 40 x 40 x 30 64 x 64 x 48
Playground W15-1 2C.51 30 x 30* 36 x 36 36 x 36 - 24 x 24* 48 x 48
Share the Road (plaque) W16-1P 2C.60 18 x 24 18 x 24 24 x 30 - - 24 x 30
XX Feet W16-2P 2C.55 24 x 18 24 x 18 - - - 30 x 24
XX Ft W16-2aP 2C.55 24 x 12 24 x 12 - - - 30 x 18
XX Miles (2-line plaque) W16-3P 2C.55 30 x 24 30 x 24 - - - -
XX Miles (1-line plaque) W16-3aP 2C.55 30 x 12 30 x 12 - - - -
Next XX Feet (plaque) W16-4P 2C.55 30 x 24 30 x 24 - - - -
Supplemental Arrow (plaque) W16-5P,6P 2C.56 24 x 18 24 x 18 - - - -
Downward Diagonal Arrow (plaque) W16-7P 2C.50 24 x 12 24 x 12 - - - 30 x 18
Advance Street Name (1-line plaque) W16-8P 2C.58 Varies x 9 Varies x 9 - - - -
Advance Street Name (2-line plaque) W16-8aP 2C.58 Varies x 18 Varies x 18 - - - -
Ahead (plaque) W16-9P 2C.50 24 x 12 24 x 12 30 x 18 - - -
Photo Enforced (symbol plaque) W16-10P 2C.61 24 x 12 24 x 12 36 x 18 - - 48 x 24
Photo Enforced (plaque) W16-10aP 2C.61 24 x 18 24 x 18 36 x 30 - - 48 x 36
HOV (plaque) W16-11P 2G.09 24 x 12 24 x 12 30 x 18 - - 30 x 18
Traffic Circle (plaque) W16-12P 2C.46 24 x 18 24 x 18 - - - -
When Flashing (plaque) W16-13P 2C.50 24 x 18 24 x 18 - - - -
New (plaque) W16-15P 2C.62 24 x 12 24 x 12 - - - -
Roundabout (plaque) W16-17P 2C.46 24 x 12 24 x 12 - - - -
NOTICE W16-18P 2A.15 24 x 12 24 x 12 - - - -
Speed Hump W17-1 2C.29 30 x 30* 36 x 36 - - 24 x 24* 48 x 48
Freeway Ends XX Miles W19-1 2C.24 - - - 144 x 48 - -
Expressway Ends XX Miles W19-2 2C.24 - - 144 x 48 - - -

Table 2C-2. Warning Sign and Plaque Sizes (Sheet 4 of 4)

(Delaware Revision)

Sign or Plaque Sign Designation Section Conventional Road Expressway Freeway Minimum Oversized
Single Lane Multi-Lane
Freeway Ends W19-3 2C.24 - - - 48 x 48 - -
Expressway Ends W19-4 2C.24 - - 48 x 48 - - -
All Traffic Must Exit W19-5 2C.24 - - 90 x 48 90 x 48 - -
Water on Road W21-7-DE 2C.35 30 x 30* 30 x 30 36 x 36 - - 48 x 48
Watch For Turning Traffic W21-9-DE 2C.46 36 x 36 36 x 36 36 x 36 - - 48 x 48
Watch For Turning Traffic (plaque) W21-9P-DE 2C.46 30 x 18 30 x 18 - - - -
Watch for Entering Traffic W21-10-DE 2C.46 36 x 36 36 x 36 36 x 36 - - 48 x 48
Watch Children W21-11-DE 2C.50 30 x 30* 30 x 30 - - - -
Watch Children (plaque) W21-11P-DE 2C.50 24 x 18 24 x 18 - - - -
Strictly Enforced (plaque) W21-12P-DE 2C.62A 36 x 24 36 x 24 36 x 24 36 x 24 - -
Deaf Child W21-14-DE 2C.50 30 x 30* 30 x 30 36 x 36 - - -
Blind Child W21-15-DE 2C.50 30 x 30* 30 x 30 36 x 36 - - -
New Traffic Pattern Ahead W23-2 2C.52 36 x 36 36 x 36 - - - -
New Traffic Pattern (plaque) W23-2P-DE 2C.52 30 x 24 30 x 24 36 x 30 36 x 30 - -
Traffic Signal Extended Green W25-1,2 2C.48 24 x 30 24 x 30 - - - -

* The minimum size required for diamond-shaped warning signs facing traffic on multi-lane conventional roads shall be 36 x 36 per Section 2C.04

Notes:

1. Larger signs may be used when appropriate

2. Dimensions in inches are shown as width x height

Table 2C-3. Minimum Size of

Supplemental Warning Plaques

Size of Warning Sign Size of Supplemental Plaque
Rectangular Square
1 Line 2 Lines Arrow
24 x 24 24 x 12 24 x 18 24 x 12 18 x 18
30 x 30
36 x 36 30 x 18 30 x 24 30 x 18 24 x 24
48 x 48

Notes:

1. Larger supplemental plaques may be used when appropriate

2. Dimensions in inches are shown as width x height

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