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 2B - REGULATORY SIGNS, BARRICADES, AND GATES
Section 2B.03 - Size of Regulatory Signs

Universal Citation: 2 DE Admin Code 2B.03

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

Standard:

01 Except as provided in Section 2A.11, the sizes for regulatory signs shall be as shown in Table 2B-1.

Guidance:

01A (DE Revision) At intersections of multi-lane roads with single lane roads, the regulatory sign sizes on all approaches to the intersection should be as required for multi-lane roads.

Support:

02 Section 2A.11 contains information regarding the applicability of the various columns in Table 2B-1.

Standard:

03 Except as provided in Paragraphs 4 and 5, the minimum sizes for regulatory signs facing traffic on multi-lane conventional roads shall be as shown in the Multi-lane column of Table 2B-1.

Table 2B-1. Regulatory Sign and Plaque Sizes (Sheet 1 of 5)

(Delaware Revision)

Sign or Plaque Sign Designation Section Conventional Road Expressway Freeway Minimum Oversized
Single Lane Multi- Lane
Stop R1-1 2B.05 36 x 36* ** 36 x 36 36 x 36 - 30 x 30* 48 x 48
Yield R1-2 2B.08 36 x 36 x 36* 48 x 48 x 48 48 x 48 x 48 60 x 60 x 60 30 x 30 x 30* -
To Oncoming Traffic (plaque) R1-2aP 2B.10 24 x 18 24 x 18 36 x 30 48 x 36 24 x 18 -
To U-Turning Traffic (plaque) R1-2aP-DE 2B.10 24 x 18 24 x 18 36 x 30 - - -
To Turning Traffic (plaque) R1-2aP-DE1 2B.10 24 x 18 24 x 18 36 x 30 - - -
All Way (plaque) R1-3P 2B.05 18 x 6 18 x 6 - - - 30 x 12
Yield Here to Peds R1-5 2B.11 - 36 x 36 - - - 36 x 36
Stop Here for Peds R1-5b 2B.11 - 36 x 36 - - - 36 x 36
In-Street Ped Crossing R1-6,6a 2B.12 12 x 36 12 x 36 - - - -
Overhead Ped Crossing R1-9,9a 2B.12 90 x 24 90 x 24 - - - -
Except Right Turn (plaque) R1-10P 2B.05 24 x 18 24 x 18 - - - -
Speed Limit R2-1 2B.13 24 x 30* 30 x 36 36 x 48 48 x 60 18 x 24* 30 x 36
Truck Speed Limit (plaque) R2-2P 2B.14 24 x 24 24 x 24 36 x 36 48 x 48 - 36 x 36
Night Speed Limit (plaque) R2-3P 2B.15 24 x 24 24 x 24 36 x 36 48 x 48 - 36 x 36
Minimum Speed Limit (plaque) R2-4P 2B.16 24 x 30 24 x 30 36 x 48 48 x 60 - 36 x 48
Combined Speed Limit R2-4a 2B.16 24 x 48 24 x 48 36 x 72 48 x 96 - 36 x 72
Unless Otherwise Posted (plaque) R2-5P 2B.13 24 x 18 24 x 18 - - - -
Citywide (plaque) R2-5aP 2B.13 24 x 6 24 x 6 - - - -
Neighborhood (plaque) R2-5bP 2B.13 24 x 6 24 x 6 - - - -
Residential (plaque) R2-5cP 2B.13 24 x 6 24 x 6 - - - -
Fines Higher (plaque) R2-6P 2B.17 24 x 18 24 x 18 36 x 24 48 x 36 - 36 x 24
Fines Double (plaque) R2-6aP 2B.17 24 x 18 24 x 18 36 x 24 48 x 36 - 36 x 24
$XX Fine (plaque) R2-6bP 2B.17 24 x 18 24 x 18 36 x 24 48 x 36 - 36 x 24
Begin Higher Fines Zone R2-10 2B.17 24 x 30 24 x 30 36 x 48 48 x 60 - 36 x 48
End Higher Fines Zone R2-11 2B.17 24 x 30 24 x 30 36 x 48 48 x 60 - 36 x 48
Movement Prohibition R3-1,2,3,4,18,27 2B.18 24 x 24* 36 x 36 36 x 36 - - 48 x 48
No Turns Official Use Only R3-3-DE 2B.39 24 x 24 24 x 24 36 x 36 36 x 36 - -
Mandatory Movement Lane Control R3-5,5a 2B.20 30 x 36 30 x 36 - - - -
Left Lane (plaque) R3-5bP 2B.20 30 x 12 30 x 12 - - - -
HOV 2+ (plaque) R3-5cP 2B.20 24 x 12 24 x 12 - - - -
Taxi Lane (plaque) R3-5dP 2B.20 30 x 12 30 x 12 - - - -
Center Lane (plaque) R3-5eP 2B.20 30 x 12 30 x 12 - - - -
Right Lane (plaque) R3-5fP 2B.20 30 x 12 30 x 12 - - - -
Bus Lane (plaque) R3-5gP 2B.20 30 x 12 30 x 12 - - - -
Optional Movement Lane Control R3-6 2B.21 30 x 36 30 x 36 - - - -
Right (Left) Lane Must Turn Right (Left) R3-7 2B.20 30 x 30* 36 x 36 - - - -
Advance Intersection Lane Control R3-8,8a,8b 2B.22 Varies x 30 Varies x 30 - - - Varies x 36
Two-Way Left Turn Only (overhead) R3-9a 2B.24 30 x 36 30 x 36 - - - -
Two-Way Left Turn Only (post-mounted) R3-9b 2B.24 24 x 36 24 x 36 - - - 36 x 48
BEGIN R3-9cP 2B.25 30 x 12 30 x 12 - - - -
END R3-9dP 2B.25 30 x 12 30 x 12 - - - -
Reversible Lane Control (symbol) R3-9e 2B.26 108 x 48 108 x 48 - - - -

Table 2B-1. Regulatory Sign and Plaque Sizes (Sheet 2 of 5)

(Delaware Revision)

Sign or Plaque Sign Designation Section Conventional Road Expressway Freeway Minimum Oversized
Single Lane Multi- Lane
Reversible Lane Control (post-mounted) R3-9f 2B.26 30 x 42* 36 x 54 - - - -
Advance Reversible Lane Control Transition Signing R3-9g,9h 2B.26 108 x 36 108 x 36 - - - -
End Reverse Lane R3-9i 2B.26 108 x 48 108 x 48 - - - -
Begin Right (Left) Turn Lane R3-20 2B.20 24 x 36 24 x 36 - - - -
Turn Lane R3-20-DE 2B.20 18 x 18 18 x 18 18 x 18 - - -
All Turns (U Turn) from Right Lane R3-23,23a 2B.27 60 x 36 60 x 36 - - - -
All Turns (U Turn) with arrow R3-24,24b, 25,25b,26a 2B.27 72 x 18 72 x 18 - - - -
U and Left Turns with arrow R3-24a,25a,26 2B.27 60 x 24 60 x 24 - - - -
Right Lane Must Exit R3-33 2B.23 - - 78 x 36 78 x 36 - -
Do Not Pass R4-1 2B.28 24 x 30 24 x 30 36 x 48 48 x 60 18 x 24 36 x 48
Pass With Care R4-2 2B.29 24 x 30 24 x 30 36 x 48 48 x 60 18 x 24 36 x 48
Slower Traffic Keep Right R4-3 2B.30 24 x 30 24 x 30 36 x 48 48 x 60 18 x 24 36 x 48
Trucks Keep Right Except Left Turns R4-3-DE 2B.30 - 30 x 36 30 x 36 - - -
No Trucks Left Lane Except Left Turns R4-3-DE1 2B.30 - 36 x 36 36 x 36 - - -
Trucks Use Right Lane R4-5 2B.31 24 x 30 24 x 30 36 x 48 48 x 60 - 36 x 48
Keep Right R4-7,7a,7b 2B.32 24 x 30 24 x 30 36 x 48 48 x 60 18 x 24 36 x 48
Narrow Keep Right R4-7c 2B.32 18 x 30 18 x 30 - - - -
Keep Left R4-8,8a,8b 2B.32 24 x 30 24 x 30 36 x 48 48 x 60 18 x 24 36 x 48
Narrow Keep Left R4-8c 2B.32 18 x 30 18 x 30 - - - -
Stay in Lane R4-9 2B.33 24 x 30 24 x 30 36 x 48 48 x 60 18 x 24 36 x 48
Runaway Vehicles Only R4-10 2B.34 48 x 48 48 x 48 - - - -
Slow Vehicles with XX or More Following Vehicles Must Use Turn-Out R4-12 2B.35 42 x 24 42 x 24 - - - -
Slow Vehicles Must Use Turn-Out Ahead R4-13 2B.35 42 x 24 42 x 24 - - - -
Slow Vehicles Must Turn Out R4-14 2B.35 30 x 42 30 x 42 - - - -
Keep Right Except to Pass R4-16 2B.30 24 x 30 24 x 30 36 x 48 48 x 60 18 x 24 36 x 48
Do Not Drive on Shoulder R4-17 2B.36 24 x 30 24 x 30 36 x 48 48 x 60 18 x 24 36 x 48
Do Not Pass on Shoulder R4-18 2B.36 24 x 30 24 x 30 36 x 48 48 x 60 18 x 24 36 x 48
Do Not Enter R5-1 2B.37 30 x 30* 36 x 36 36 x 36 48 x 48 - 36 x 36
Wrong Way R5-1a 2B.38 36 x 24* 42 x 30 36 x 24* 42 x 30 30 x 18* 42 x 30
No Trucks R5-2,2a 2B.39 24 x 24 24 x 24 30 x 30 36 x 36 - 36 x 36
No Motor Vehicles R5-3 2B.39 24 x 24 24 x 24 - - 24 x 24 -
No Commercial Vehicles R5-4 2B.39 24 x 30 24 x 30 36 x 48 36 x 48 - -
No Vehicles with Lugs R5-5 2B.39 24 x 30 24 x 30 36 x 48 48 x 60 - -
No Bicycles R5-6 2B.39 24 x 24 24 x 24 30 x 30 36 x 36 24 x 24 48 x 48
No Non-Motorized Traffic R5-7 2B.39 30 x 24 30 x 24 42 x 24 48 x 30 - 42 x 24
No Motor-Driven Cycles R5-8 2B.39 30 x 24 30 x 24 42 x 24 48 x 30 - 42 x 24
No Pedestrians, Bicycles, Motor-Driven Cycles R5-10a 2B.39 30 x 36 30 x 36 - - - -
No Pedestrians or Bicycles R5-10b 2B.39 30 x 18 30 x 18 - - - -
No Pedestrians R5-10c 2B.39 24 x 12 24 x 12 - - - -
Authorized Vehicles Only R5-11 2B.39 30 x 24 30 x 24 - - - -
One Way R6-1 2B.40 36 x 12* 54 x 18 54 x 18 54 x 18 - 54 x 18
One Way R6-2 2B.40 24 x 30* 30 x 36 36 x 48 48 x 60 18 x 24* 36 x 48
Divided Highway Crossing R6-3,3a 2B.42 30 x 24 30 x 24 36 x 30 - - 36 x 30

Table 2B-1. Regulatory Sign and Plaque Sizes (Sheet 3 of 5)

(Delaware Revision)

Sign or Plaque Sign Designation Section Conventional Road Expressway Freeway Minimum Oversized
Single Lane Multi- Lane
Roundabout Directional (2 chevrons) R6-4 2B.43 30 x 24 30 x 24 - - - -
Roundabout Directional (3 chevrons) R6-4a 2B.43 48 x 24 48 x 24 - - - -
Roundabout Directional (4 chevrons) R6-4b 2B.43 60 x 24 60 x 24 - - - -
Roundabout Circulation (plaque) R6-5P 2B.44 30 x 30 30 x 30 - - - -
BEGIN ONE WAY R6-6 2B.40 24 x 30 30 x 36 - - - -
END ONE WAY R6-7 2B.40 24 x 30 30 x 36 - - - -
Parking Restrictions R7-1, 2,2a,3,4,5,6,7,8, 21,21a,22,23, 23a,107,108 2B.46 12 x 18 12 x 18 - - - -
No Stopping Standing or Parking R7-4-DE 2B.46 12 x 18 12 x 18 18 x 24 18 x 24 - -
Van Accessible (plaque) R7-8P 2B.46 18 x 9 18 x 9 - - - -
Fee Station R7-20 2B.46 24 x 18 24 x 18 - - - -
No Parking (with transit logo) R7-107a 2B.46 12 x 30 12 x 30 - - - -
No Parking R7-107-DE 2B.46 12 x 18 12 x 18 - - - 18 x 24
No Parking/ Restricted Parking (combined sign) R7-200 2B.46 24 x 18 24 x 18 - - - -
No Parking/ Restricted Parking (combined sign) R7-200a 2B.46 12 x 30 12 x 30 - - - -
Tow Away Zone (plaque) R7-201P,201aP 2B.46 12 x 6 12 x 6 - - - -
Begin R7-202aP-DE 2B.46 12 x 6 12 x 6 - - - -
End R7-202aP-DE1 2B.46 12 x 6 12 x 6 - - - -
This Side of Sign (plaque) R7-202P 2B.46 12 x 6 12 x 6 - - - -
Emergency Snow Route R7-203 2B.46 18 x 24 18 x 24 - - - 24 x 30
No Parking on Pavement R8-1 2B.46 24 x 30 24 x 30 36 x 48 48 x 60 - 36 x 48
No Parking Except on Shoulder R8-2 2B.46 24 x 30 24 x 30 36 x 48 48 x 60 - 36 x 48
No Parking (symbol) R8-3 2B.46 24 x 24* 30 x 30 36 x 36 48 x 48 12 x 12* 36 x 36
No Parking R8-3a 2B.46 24 x 30 24 x 30 36 x 36 48 x 48 18 x 24 36 x 36
Except Sundays and Holidays (plaque) R8-3bP 2B.46 24 x 18 24 x 18 - - 12 x 9 30 x 24
On Pavement (plaque) R8-3cP 2B.46 24 x 18 24 x 18 - - 12 x 9 30 x 24
On Bridge (plaque) R8-3dP 2B.46 24 x 18 24 x 18 - - 12 x 9 30 x 24
On Tracks (plaque) R8-3eP 2B.46 12 x 9 12 x 9 - - - 30 x 24
Except on Shoulder (plaque) R8-3fP 2B.46 24 x 18 24 x 18 - - 12 x 9 30 x 24
Loading Zone (plaque) R8-3gP 2B.46 24 x 18 24 x 18 - - 12 x 9 30 x 24
Times of Day (plaque) R8-3hP 2B.46 24 x 18 24 x 18 - - 12 x 9 30 x 24
Emergency Parking Only R8-4 2B.49 30 x 24 30 x 24 30 x 24 48 x 36 - 48 x 36
No Stopping on Pavement R8-5 2B.46 24 x 30 24 x 30 36 x 48 48 x 60 - 36 x 48
No Stopping Except on Shoulder R8-6 2B.46 24 x 30 24 x 30 36 x 48 48 x 60 - 36 x 48
Emergency Stopping Only R8-7 2B.49 30 x 24 30 x 24 48 x 36 48 x 36 - 48 x 36
Walk on Left Facing Traffic R9-1 2B.50 18 x 24 18 x 24 - - - -
Cross Only at Crosswalks R9-2 2B.51 12 x 18 12 x 18 - - - -
No Pedestrian Crossing (symbol) R9-3 2B.51 18 x 18 18 x 18 24 x 24 30 x 30 - 30 x 30
No Pedestrian Crossing R9-3a 2B.51 12 x 18 12 x 18 - - - -
Use Crosswalk (plaque) R9-3bP 2B.51 18 x 12 18 x 12 - - - -

Table 2B-1. Regulatory Sign and Plaque Sizes (Sheet 4 of 5)

(Delaware Revision)

Sign or Plaque Sign Designation Section Conventional Road Expressway Freeway Minimum Oversized
Single Lane Multi- Lane
No Hitchhiking (symbol) R9-4 2B.50 18 x 18 18 x 18 - - - 24 x 24
No Hitchhiking R9-4a 2B.50 18 x 24 18 x 24 - - 12 x 18 -
No Skaters R9-13 2B.39 18 x 18 18 x 18 24 x 24 30 x 30 - 30 x 30
No Equestrians R9-14 2B.39 18 x 18 18 x 18 24 x 24 30 x 30 - 30 x 30
Cross Only On Green R10-1 2B.52 12 x 18 12 x 18 - - - -
Pedestrian Signs R10-3b-DE1, 3d-DE1 2B.52 9 x 9 9 x 9 - - - -
Pedestrian Signs and Plaques R10-2, 3,3b,3b-DE, 3c,3d,3d-DE,3e-DE1,3e-DE4,4 2B.52 9 x 12 9 x 12 - - - -
Pedestrian Signs R10-3a,3e,3e-DE, 3e-DE2,3e-DE3, 3f,3g,3h,3i,4a 2B.52 9 x 15 9 x 15 - - - -
Left on Green Arrow Only R10-5 2B.53 30 x 36 30 x 36 48 x 60 - 24 x 30 48 x 60
Stop Here on Red R10-6 2B.53 24 x 36 24 x 36 - - - 36 x 48
Stop Here on Red R10-6a 2B.53 24 x 30 24 x 30 - - - 36 x 42
Wait Here to Trip Signal R10-6-DE 2B.53 24 x 30 24 x 30 - - - -
Do Not Block Intersection R10-7 2B.53 24 x 30 24 x 30 - - - -
Do Not Block Driveway R10-7-DE 2B.53 24 x 30 24 x 30 - - - -
Use Lane with Green Arrow R10-8 2B.53 36 x 42 36 x 42 36 x 42 - - 60 x 72
Left (Right) Turn Signal R10-10 2B.53 30 x 36 30 x 36 - - - -
No Turn on Red R10-11 2B.54 24 x 30* 36 x 48 - - - 36 x 48
No Turn on Red R10-11a 2B.54 30 x 36* 36 x 48 - - - -
No Turn on Red R10-11b 2B.54 36 x 36 36 x 36 - - - -
No Turn on Red Except From Right Lane R10-11c 2B.54 30 x 42 30 x 42 - - - -
No Turn on Red From This Lane R10-11d 2B.54 30 x 42 30 x 42 - - - -
Left Turn Yield on Green R10-12 2B.53 30 x 36 30 x 36 - - - -
Emergency Signal R10-13 2B.53 42 x 30 42 x 30 - - - -
Emergency Signal - Stop on Flashing Red R10-14 2B.53 36 x42 36 x42 - - - -
Emergency Signal - Stop on Flashing Red (overhead) R10-14a 2B.53 60 x 24 60 x 24 - - - -
Stop Here on Flashing Red R10-14b 2B.53 24 x 36 24 x 36 - - - 36 x 48
Turning Vehicles Yield to Peds R10-15 2B.53 30 x 30 30 x 30 - - - -
U-Turn Yield to Right Turn R10-16 2B.53 30 x 36 30 x 36 - - - -
Right on Red Arrow After Stop R10-17a 2B.54 36 x 48 36 x 48 - - - -
Traffic Laws Photo Enforced R10-18 2B.55 36 x 24 36 x 24 48 x 30 54 x 36 - 54 x 36
Traffic Signal Photo Enforced R10-18a 2B.55 30 x 42 30 x 42 30 x 42 - - -
Photo Enforced (symbol plaque) R10-19P 2B.55 24 x 12 24 x 12 36 x 18 48 x 24 - 48 x 24
Photo Enforced (plaque) R10-19aP 2B.55 24 x 18 24 x 18 36 x 30 48 x 36 - 48 x 36
MON-FRI (and times) (3 lines) (plaque) R10-20aP 2B.53 24 x 24 24 x 24 - - - -

Table 2B-1. Regulatory Sign and Plaque Sizes (Sheet 5 of 5)

(Delaware Revision)

Sign or Plaque Sign Designation Section Conventional Road Expressway Freeway Minimum Oversized
Single Lane Multi- Lane
SUNDAY (and times) (2 lines) (plaque) R10-20aP 2B.53 24 x 18 24 x 18 - - - -
Crosswalk, Stop on Red R10-23 2B.53 24 x 30 24 x 30 - - - -
Pedestrian Signs and Plaques R10-25 2B.52 9 x 12 9 x 12 - - - -
Left Turn Yield on Flashing Red Arrow After Stop R10-27 2B.53 30 x 36 30 x 36 - - - -
XX Vehicles Per Green R10-28 2B.56 24 x 30 24 x 30 - - - -
XX Vehicles Per Green Each Lane R10-29 2B.56 36 x 24 36 x 24 - - - -
Right Turn on Red Must Yield to U-Turn R10-30 2B.54 30 x 36 30 x 36 - - - -
At Signal (plaque) R10-31P 2B.53 24 x 9 24 x 9 - - - -
Push Button for 2 Seconds for Extra Crossing Time R10-32P 2B.52 9 x 12 9 x 12 - - - -
Keep Off Median R11-1 2B.57 24 x 30 24 x 30 - - - -
Road Closed R11-2 2B.58 48 x 30 48 x 30 - - - -
Road Closed - Local Traffic Only R11-3a,3b,4 2B.58 60 x 30 60 x 30 - - - -
Weight Limit R12-1,2 2B.59 24 x 30 24 x 30 36 x 48 - - 36 x 48
Weight Limit R12-3 2B.59 24 x 36 24 x 36 - - - -
Weight Limit R12-3-DE 2B.59 24 x 36 24 x 36 - - - -
Weight Limit R12-4 2B.59 36 x 24 36 x 24 - - - -
Weight Limit R12-5 2B.59 24 x 36 24 x 36 36 x 48 48 x 60 - -
Weight Limit R12-5-DE 2B.59 30 x Varies 30 x Varies 36 x Varies 48 x Varies - -
Weigh Station R13-1 2B.60 72 x 54 72 x 54 96 x 72 120 x 90 - -
Truck Route R14-1 2B.61 24 x 18 24 x 18 - - - -
Hazardous Material R14-2,3 2B.62 24 x 24 24 x 24 30 x 30 36 x 36 - 42 x 42
National Network R14-4,5 2B.63 30 x 30 30 x 30 36 x 36 36 x 36 - 42 x 42
Fender Bender Move Vehicles R16-4 2B.65 36 x 24 36 x 24 48 x 36 60 x 48 - 48 x 36
Lights On When Using Wipers or Raining R16-5,6 2B.64 24 x 30 24 x 30 36 x 48 48 x 60 - 36 x 48
Turn On Headlights Next XX Miles R16-7 2B.64 48 x 15 48 x 15 72 x 24 96 x 30 - 72 x 24
Turn On, Check Headlights R16-8,9 2B.64 30 x 15 30 x 15 48 x 24 60 x 30 - 48 x 24
Begin, End Daytime Headlight Section R16-10,11 2B.64 48 x 15 48 x 15 72 x 24 96 x 30 - 72 x 24
No Dumping SR1-11-DE 2B.71 24 x 12 24 x 12 - - - -
No Littering SR1-12-DE 2B.71 24 x 12 24 x 12 - - - -
No Fishing Crabbing or Swimming SR1-14-DE 2B.71 24 x 18 24 x 18 - - - -
State Property SR1-15-DE 2B.71 24 x 12 24 x 12 - - - -
Move Over or Reduce Speed SR1-18-DE 2B.69 42 x 60 42 x 60 60 x 84 60 x 84 - -
Engine Compression Brake Prohibition SR1-19-DE 2B.70 42 x 60 42 x 60 60 x 84 60 x 84 - -
No Texting and Hand Held Cell PhoneSR1-20-DE2B.7242 x 4242 x 4260 x 6060 x 60--
IT CAN WAIT ! USE SERVICE AREA (plaque)SR1-20P-DE2B.7242 x 1842 x 1860 x 2460 x 24--

* See Table 9B-1 for minimum size required for signs on bicycle facilities

** See Section 2B.03 for additional guidance regarding the size of STOP signs

Notes:

1. Larger signs may be used when appropriate

2. Dimensions in inches are shown as width x height

Option:

04 Where the posted speed limit is 35 mph or less on a multi-lane highway or street, other than for a STOP sign, the minimum size shown in the Single Lane column in Table 2B-1 may be used.

05 Where a regulatory sign, other than a STOP sign, is placed on the left-hand side of a multi-lane roadway in addition to the installation of the same regulatory sign on the right-hand side or the roadway, the size shown in the Single Lane column in Table 2B-1 may be used for both the sign on the right-hand side and the sign on the left-hand side of the roadway.

Standard:

06 A minimum size of 36 x 36 inches shall be used for STOP signs that face multi-lane approaches.

07 Where side roads intersect a multi-lane street or highway that has a speed limit of 45 mph or higher, the minimum size of the STOP signs facing the side road approaches, even if the side road only has one approach lane, shall be 36 x 36 inches.

08 Where side roads intersect a multi-lane street or highway that has a speed limit of 40 MPH or lower, the minimum size of the STOP signs facing the side road approaches shall be as shown in the Single Lane or Multi-lane columns of Table 2B-1 based on the number of approach lanes on the side street approach.

Guidance:

08A (DE Revision) Except as provided in Paragraph 8B, a minimum size of 36 x 36 inches should be used for STOP signs at intersections that include one or more state-maintained roadway(s).

08B (DE Revision) A minimum size of 30 x 30 inches should be used for STOP signs at the intersection of two subdivision streets.

09 The minimum sizes for regulatory signs facing traffic on exit and entrance ramps should be as shown in the column of Table 2B-1 that corresponds to the mainline roadway classification (Expressway or Freeway). If a minimum size is not provided in the Freeway column, the minimum size in the Expressway column should be used. If a minimum size is not provided in the Freeway or Expressway Column, the size in the Oversized column should be used.

Disclaimer: These regulations may not be the most recent version. Delaware may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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