---
title: "MUTCD C31A (CA) Alternate No Shoulder Work Zone Sign"
description: "MUTCD C31A (CA) Alternate No Shoulder. Size: 24\", 30\", 36\", Standard 2 Hole: Easy to mount and secure, MUTCD Code: C31A (CA)."
url: "https://www.trafficthingz.com/products/mutcd-c31-ca-alternate-no-shoulder"
date_modified: "2026-10-09T13:08:01-07:00"
---

## MUTCD C31A (CA) Alternate No Shoulder

$52.42 – $145.67 · MUTCD C31A (CA) · Lead time confirmed after order

### Variants & pricing

| Size & Sheeting | SKU | Price |
| --- | --- | --- |
| 24" Engineer Grade Orange Sheeting | C31ACA-0024-EGR-ORG | $52.42 |
| 24" High Intensity Prismatic Orange Sheeting | C31ACA-0024-HIP-ORG | $56.00 |
| 24" Diamond Grade Orange Sheeting | C31ACA-0024-DMG-ORG | $65.82 |
| 30" Engineer Grade Orange Sheeting | C31ACA-0030-EGR-ORG | $79.62 |
| 30" High Intensity Prismatic Orange Sheeting | C31ACA-0030-HIP-ORG | $85.22 |
| 30" Diamond Grade Orange Sheeting | C31ACA-0030-DMG-ORG | $100.58 |
| 36" Engineer Grade Orange Sheeting | C31ACA-0036-EGR-ORG | $115.48 |
| 36" High Intensity Prismatic Orange Sheeting | C31ACA-0036-HIP-ORG | $123.55 |
| 36" Diamond Grade Orange Sheeting | C31ACA-0036-DMG-ORG | $145.67 |

### Key specs

| Spec | Value |
| --- | --- |
| Gauge | 0.080 |
| Alloy | 3105 - Known for its strength and corrosion resistance |
| Standard 2 Hole | Easy to mount and secure |
| Warranty | Engineer Grade ~7 yr / High Intensity Prismatic ~10–12 yr / Diamond Grade ~12 yr — typical manufacturer term by sheeting grade |

### Description

Enhance the safety and compliance of your work zones with our Traffic Safety Workzone Signs. Specifically engineered to meet the rigorous MUTCD guidelines under code C31A (CA), these signs are essential for indicating no shoulder ahead, maintaining clear and effective traffic control.

- Type: MUTCD C31A (CA) Alternate No Shoulder
- Product Code: C31ACA
- MUTCD Code: C31A (CA)
- Gauge: 0.080

Sheeting Options:

- Engineer Grade Prismatic:
- Durable and reflective
- Ideal for general use
- High-Intensity Prismatic (3M):
- Enhanced reflectivity for improved visibility
- Diamond Grade (3M):
- Superior reflectivity
- Suitable for high-priority areas

Material:

- Alloy: 3105 - Known for its strength and corrosion resistance

Installation:

- Standard 2 Hole: Easy to mount and secure

Why Choose Our Signs?

Our signs are crafted with the utmost precision and high-quality materials to ensure they withstand the elements and provide clear guidance in all conditions. Whether you're managing a temporary work zone or a long-term project, our C31A (CA) Alternate No Shoulder signs are a reliable choice for your traffic control needs.

- Durability: Constructed with 0.080 gauge aluminum and 3105 alloy for exceptional strength and corrosion resistance.
- Visibility: Multiple sheeting options available to ensure maximum visibility, even in low-light conditions.
- Compliance: Fully compliant with MUTCD guidelines, ensuring your work zone meets all necessary safety regulations.
- Ease of Installation: Standard 2-hole design allows for quick and secure mounting.

Ensure the safety and compliance of your work zones with our high-quality Traffic Safety Workzone Signs. Order now to keep your work zones safe and efficient!

Product page: https://www.trafficthingz.com/products/mutcd-c31-ca-alternate-no-shoulder
Request a quote: https://www.trafficthingz.com/contact?product=mutcd-c31-ca-alternate-no-shoulder