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.03 - Design of Warning Signs
Current through Register Vol. 28, No. 3, September 1, 2024
Standard:
01 (DE Revision) Except as provided in Paragraph 2 or unless specifically designated otherwise, all warning signs shall be diamond-shaped (square with one diagonal vertical) with a black legend and border on a yellow background. Warning signs shall be designed in accordance with the sizes, shapes, colors, and legends contained in the "Standard Highway Signs and Markings" book (see Section 1A.11) and/or in the Delaware Standard Signs book.
Guidance:
Option:
02 A warning sign that is larger than the size shown in the Oversized column in Table 2C-2 for that particular sign may be diamond-shaped or may be rectangular or square in shape.
03 Except for symbols on warning signs, minor modifications may be made to the design provided that the essential appearance characteristics are met. Modifications may be made to the symbols shown on combined horizontal alignment/intersection signs (see Section 2C.11) and intersection warning signs (see Section 2C.46) in order to approximate the geometric configuration of the intersecting roadway(s).
04 Word message warning signs other than those provided in this Manual may be developed and installed by State and local highway agencies.
05 Warning signs regarding conditions associated with pedestrians, bicyclists, and playgrounds may have a black legend and border on a yellow or fluorescent yellow-green background.
Standard:
06 Warning signs regarding conditions associated with school buses and schools and their related supplemental plaques shall have a black legend and border on a fluorescent yellow-green background (see Section 7B.07).
Table 2C-1. Categories of Warning Signs and Plaques (Sheet 1 of 2)
(Delaware Revision)
| Category | Group | Section | Signs or Plaques | Sign Designations |
| Roadway Related | Changes In Horizontal Alignment | 2C.07 | Turn, Curve, Reverse Turn, Reverse Curve, Winding Road, Hairpin Curve, 270-Degree Curve | W1-1,2,3,4,5,11,15 |
| 2C.08 | Advisory Speed | W13-1P | ||
| 2C.09 | Chevron Alignment | W1-8 | ||
| 2C.10 | Combination Horizontal Alignment/Advisory Speed | W1-1a,2a | ||
| 2C.11 | Combination Horizontal Alignment/Intersection | W1-10,10a,10b,10c,10d | ||
| 2C.12 | Large Arrow (one direction) | W1-6 | ||
| 2C.13 | Truck Rollover | W1-13 | ||
| 2C.14 | Advisory Exit or Ramp Speed | W13-2,3 | ||
| 2C.15 | Combination Horizontal Alignment/Advisory Exit or Ramp Speed | W13-6,7 | ||
| Vertical Alignment | 2C.16 | Hill | W7-1,1a,2P,2bP,3P,3aP,3bP | |
| 2C.17 | Truck Escape Ramp | W7-4,4b,4c,4dP,4eP,4fP | ||
| 2C.18 | Hill Blocks View | W7-6 | ||
| Cross Section | 2C.19 | Road Narrows | W5-1 | |
| 2C.20,21 | Narrow Bridge, One Lane Bridge | W5-2,3 | ||
| 2C.22,23,25 | Divided Highway, Divided Highway Ends, Double Arrow | W6-1,2; W12-1 | ||
| 2C.24 | Freeway or Expressway Ends, All Traffic Must Exit | W19-1,2,3,4,5 | ||
| 2C.26 | Dead End, No Outlet | W14-1,1a,2,2a | ||
| 2C.27 | Low Clearance | W12-2,2a | ||
| Roadway Surface Condition | 2C.28,29 | Bump, Dip, Speed Hump | W8-1,2; W17-1 | |
| 2C.30 | Pavement Ends | W8-3 | ||
| 2C.31 | Shoulder, Uneven Lanes | W8-4,9,11,17,17P,23,25 | ||
| 2C.32 | Slippery When Wet, Loose Gravel, Rough Road, Bridge Ices Before Road, Fallen Rocks | W8-5,7,8,13,14 | ||
| 2C.33 | Grooved Pavement, Metal Bridge Deck | W8-15,15P,16 | ||
| 2C.34 | No Center Line | W8-12 | ||
| Weather | 2C.35 | Road May Flood, Flood Gauge, Gusty Winds Area, Fog Area, Water on Road | W8-18,19,21,22; W21-7-DE | |
| Traffic Related | Advance Traffic Control | 2C.36-39 | Stop Ahead, Yield Ahead, Signal Ahead, Red Signal Ahead When Flashing, Pedestrian Hybrid Beacon Ahead, Be Prepared To Stop, Speed Reduction, Changeable Speed Limit Zone Ahead, Drawbridge Ahead, Ramp Meter Ahead | W3-1,2,3,3-DE,3-DE1,4,5,5-DE, 6,7,8 |
| Traffic Flow | 2C.40-45 | Merge, No Merge Area, Lane Ends, Added Lane, Two-Way Traffic, Right Lane Exit Only Ahead, No Passing Zone | W4-1,2,3,5,5P,6; W6-3; W9-1,2,2-DE,7; W14-3 | |
| Intersections | 2C.46 | Cross Road, Side Road, T, Y, Circular Intersection, Side Roads, Watch for Turning Traffic, Watch for Entering Traffic | W2-1,2,3,4,5,6,7,8; W16-12P,17P; W21-9-DE, 9P-DE,10-DE | |
| 2C.47 | Large Arrow (two directions) | W1-7 | ||
| 2C.48 | Oncoming Extended Green | W25-1,2 | ||
| Vehicular Traffic | 2C.49 | Truck Crossing, Truck (symbol), Truck Entrance, Emergency Vehicle, Fire Signal Stop on Flashing Red, Tractor, Bicycle, Golf Cart, Horse-Drawn Vehicle, Trail Crossing, Hidden Entrance | W8-6; W11-1,5,5a,8,8-DE,10, 11,12P,12-DE,14,15,15P,15a, 24aP-DE; W16-13P | |
| Non-Vehicular | 2C.50,51 | Pedestrian, Deer, Cattle, Snowmobile, Equestrian, Wheelchair, Duck, Low Flying Aircraft, Large Animals, Playground, Watch Children, Deaf Child, Blind Child | W11-2,3,4,6,7,9,11-DE, 23-DE,16,17,18,19,20,21,22; W15-1; W16-13P; W21-11-DE,11P-DE,14-DE,15-DE | |
| New | 2C.52 | New Traffic Pattern Ahead, New Traffic Pattern | W23-2,2P-DE |
Table 2C-1. Categories of Warning Signs and Plaques (Sheet 2 of 2)
(Delaware Revision)
| Category | Group | Section | Signs or Plaques | Sign Designations |
| Other Supplemental Plaques | Location | 2C.53 | Downward Diagonal Arrow, Ahead | W16-7P,9P |
| Distance | 2C.36,55 | XX Signals Next XX Miles, XX Feet, XX Miles, Next XX Feet, Next XX Miles | W3-3P-DE; W7-3aP; W16-2P,2aP,3P,3aP,4P | |
| Arrow | 2C.56 | Advance Arrow, Directional Arrow | W16-5P,6P | |
| Street Name Plaque | 2C.58 | Advance Street Name | W16-8P,8aP | |
| Intersection | 2C.59 | Cross Traffic Does Not Stop | W4-4P,4aP,4bP | |
| Share The Road | 2C.60 | Share The Road | W16-1P | |
| HOV | 2C.53 | High-Occupancy Vehicle | W16-11P | |
| Photo Enforced | 2C.61 | Photo Enforced | W16-10P,10aP | |
| New | 2C.62 | New | W16-15P |
