Runaway Truck Ramp Sign - W7-4
Secure checkout • 100% satisfaction guaranteed
Product Details
Runaway Truck Ramp Sign - W7-4
Steep mountain roads pose significant risks for commercial truck drivers, particularly when brake failure becomes a potential hazard. This professional-grade runaway truck ramp sign provides critical safety information for operators navigating challenging terrain, alerting them to emergency stopping areas designed to prevent catastrophic accidents. Constructed on durable aluminum blanks with reflective surfaces, the W7-4 sign meets both DOT and MUTCD state and federal standards. Available in high intensity and diamond grade reflective options, the sign ensures maximum visibility under diverse environmental conditions, helping drivers make split-second safety decisions when vehicle control becomes compromised.
Sign Specifications
MUTCD Code
W7-4
Sign Type
Warning Sign
Shape
Diamond
Standard warning sign shape
Colors
Yellow background
Black legend
Compliance
MUTCD Compliant: This hill warning sign meets federal standards per MUTCD Section 2C.26. Used to warn of steep grades ahead.
| Size | Dimensions | Application |
|---|---|---|
| Conventional RoadDefault | 30×30" | Two-lane roads, residential areas |
| Multi-Lane | 36×36" | Multi-lane roads, higher speed limits |
| Expressway | 48×48" | Expressways, freeways, high-speed roads |
MUTCD Compliant
Federal standards
DOT Approved
State & Federal
ASTM D4956
Type III/IV/XI
10+ Years
Durability
Engineer Grade (EG)
Type: ASTM Type I
Lifespan: 5-7 years
Brightness: ~50 cd/lux/m²
Parking lots, low-speed areas, non-critical signage
High Intensity Prismatic (HIP)
Type: ASTM Type III/IV
Lifespan: 10 years
Brightness: ~360 cd/lux/m²
Traffic signs, work zones, roadways
Diamond Grade (DG3)
Type: ASTM Type XI
Lifespan: 10-12 years
Brightness: ~580 cd/lux/m²
Critical signs, freeways, overhead signs
Install at top of grade for downhill warning, or in advance for uphill notification. Required when grade exceeds: 5% for 3000ft, 6% for 2000ft, 7% for 1000ft, 8% for 750ft, 9% for 500ft.
MUTCD Reference: Section 2C.26