
Highway Safety
Large Roadside Sign Supports
Race Rock fabricates large roadside sign supports — I-beam sign posts, rail mounts, and bridge-mounted clearance sign assemblies for overhead and ground-mounted highway signs. Custom-fabricated to TxDOT and Northeast DOT standards, our large sign supports carry the biggest guide and exit signage on the road.
Product Types / What We Offer
- I-beam sign posts (with breakaway bases where required)
- Rail mounts
- Bridge-mounted clearance sign assemblies (BMCS)
- Custom-fabricated sign supports (to project spec)
Why Race Rock
- Meets TxDOT, CTDOT, NYSDOT, and VTDOT standards and specifications
- AISC-certified fabrication; 100% U.S. domestic certifications
- In-house engineering, detailing, and shop drawings
- Specialized in hot-dip galvanized finishes; powder coating and painting capabilities for aesthetics
- Fast, reliable lead times via dedicated customer teams

Product Showcase



Product Resources
CTDOT Large Sign Supports
NYDOT Large Sign Supports
VTDOT Large Sign Supports
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