Trailer ID Decals Ontario CVOR HTA | Compliance Lettering
Regulation-grade trailer id number lettering for Canadian operators. Cut same-day from Port Colborne on 7-year outdoor vinyl — ships before 2 PM.
✅ Meets Ontario HTA s.7(3) + FMCSA 49 CFR 390.21 standards · 🇨🇦 Made in Canada · 7-Year Outdoor Guarantee
Trailer operators and fleet managers need Trailer Identification Decals to comply with provincial and federal regulations, ensuring their trailers display the required owner name and CVOR/USDOT number if over 4,500 kg. Our decals are designed for durability and compliance.
Regulatory Snapshot
| Spec | Requirement | Legal Reference |
|---|---|---|
| Owner Name | Mandatory display of owner name on trailer | Ontario HTA s.7(3) |
| CVOR/USDOT Number | Necessary if over 4,500 kg | FMCSA 49 CFR 390.21 |
| Size | Minimum of 2 inches in height for text and numbers | Ontario HTA s.7(3) |
| Maintainability | Decals must be legible and not obscured | FMCSA 49 CFR 390.21 |
| Placement | On the rear of trailer, visible from behind | Ontario HTA s.7(3) |
Failing to comply with these regulations may result in penalties or the trailer being impounded during inspections at various checkpoints across Ontario.
Trailer Identification Compliance Reference
Under O.Reg 424/97 s.3, trailers drawn by commercial motor vehicles must display the operator name and, where applicable, the CVOR number. The MTO Carrier Handbook requires these markings on both sides of the trailer in letters at least 50mm (2 inches) tall. Our 3, 4, and 6 inch options provide legibility from curb-side inspection distance.
Related Products
- CVOR Door Decals Ontario — cab door lettering to match your trailer
- Unit Number Decals — trailer unit numbering
- Dump Truck Lettering — tractor-trailer combinations
Last Verified: February 2026 · Sources: O.Reg 424/97 s.3, HTA s.16
Trailer Identification Requirements in Ontario
Under O.Reg 424/97 and HTA s.16, commercial trailers must display CVOR operating authority name and number in letters meeting minimum height requirements. Unit numbers are required when your CVOR covers a fleet of trailers and are checked during road-weight enforcement stops at Ontario scales including Vineland, Port Hope, and Fort Erie.
Our reflective option uses engineer-grade sheeting rated for trailers — which operate through all weather conditions year-round. Updated February 2026.
Frequently Asked Questions
Yes. If your trailer is operated under a CVOR certificate, O.Reg 424/97 requires the CVOR number and operator name on both sides of the trailer. Additionally, the trailer identification number (unit number) must be displayed per fleet management requirements. GVW may also be required per O.Reg 413/05.
Regulations last verified: March 2026
Sources: HTA s. 16 · O.Reg 424/97 · O.Reg 413/05 · 49 CFR 390.21
Checked quarterly against latest Transport Canada and MTO updates.
Applicable Regulations
Missing or non-compliant CVOR lettering is a Schedule 1 defect under O.Reg 199/07 and results in an immediate out-of-service order during MTO roadside inspections.
Requires CVOR number display on all commercial motor vehicles over 4,500 kg registered GVW.
Defines inspection standards for commercial vehicles including lettering requirements.
Mandates GVW rating display on commercial vehicles.
Requires USDOT number on both sides of all commercial motor vehicles operating in interstate commerce.
Free tool — verify your vinyl colour meets MTO high-contrast requirements before ordering.
Technical Specifications
| Compliance Type | Trailer ID Number |
| Minimum Height | 2" |
| Maximum Width | 24" |
| Default Typeface | Bebas Neue |
| Required Format | Trailer identification number or fleet code. Alphanumeric, 2-15 characters. |
| Vinyl | premium-outdoor-vinyl |
| Outdoor Rating | 7+ years UV / weather resistant |
| Application | Self-adhesive, wet or dry application |
| Production | Same-day, ships from Ontario |
| Compliance | Transport Canada / MTO validated |
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Regulatory Requirements
Ontario MTO requires all commercial trailers to display identification markings. Trailers over 4,500 kg must show CVOR operator name. Unit numbers aid fleet management and roadside identification.
Trailer identification number or fleet code. Alphanumeric, 2-15 characters.