R14-5 National Network Prohibition
Identifies a National Network truck-route restriction or the end of a designated route.
- Sign Name
- National Network Prohibition
- MUTCD Code
- R14-5
- Sign Category
- Regulatory Signs
Specifications
- Shape
- Square
- Color / legend
- Black truck symbol on white background with red circle and diagonal
Sizes & Dimensions (inches)
These are dimensions shown on the linked layout. Select the required size using the applicable MUTCD and agency requirements; the smallest drawing size is not necessarily the permitted minimum.
Dimensions checked against the exact official drawing. California Table 2B-1 governs application-size selection; example weights do not establish a legal load limit.
- Official drawing size30" × 30"
- Official drawing size36" × 36"
- Official drawing size42" × 42"
California Application & Variants
Use for applicable routes, route segments or ramps where the National Network prohibition applies, or to mark a designated route ending. Do not treat this as a universal substitute for every NO TRUCKS restriction.
When & Where It's Used
- Designated truck-route review
Placement Context
- Where it sits
- At the designated route, restriction or route-ending location appropriate to the sign..
- CA MUTCD reference
- CA MUTCD 2026 §2B.68
Related Signs
Browse Regulatory Signs
Educational reference only. This is not an official Caltrans, FHWA, or local agency publication and is not legal or engineering advice. Always verify sign selection, size, placement, spacing, and application against the current CA MUTCD 2026, Caltrans sign specifications, Standard Plans, project documents, and the reviewing agency’s requirements. Local jurisdictions may impose additional requirements, and final selection, placement, and dimensions may require engineering judgment or agency approval. Reference editions: California MUTCD 2026 (effective January 18, 2026) and the Federal MUTCD 11th Edition with Revision 1.
Need to Rent or Purchase This Sign? Contact Public Ready.
Public Ready supports sign selection, project-ready sign packages, and equipment sourcing through qualified providers — with expert support built for compliance.