CW21-5B Left/Right Shoulder Ahead Closed Sign – Diamond Grade Reflectivity for Enhanced Road Safety | Interwest Safety

Navigate construction zones with confidence using the CW21-5B Left/Right Shoulder Ahead Closed Sign by Interwest Safety. Expertly crafted in a range of sizes (30″, 36″, 48″) and with high-visibility reflective options (Diamond Grade, Engineer Grade, High Intensity), this sign is designed to alert drivers effectively, ensuring compliance with MUTCD standards. Ideal for project managers and safety professionals seeking reliable traffic control, this durable aluminum sign withstands the elements and maintains its reflectivity for long-term use. Choose the CW21-5B sign for a safer roadway experience. Secure your quote today and elevate your project’s safety standards!