U.S. exports of impregnated nonconiferous railway & tramway sleepers (ties) (HS 440692) totaled $14.0M in August 2026.
Impregnated Nonconiferous Railway & Tramway Sleepers (Ties) imports of $374K in August 2026 ran 81% above the year-to-date monthly average of $206K.
Last updated: August 2026 dataPreservative-treated hardwood railway and tramway sleepers — covering dense species such as oak and tropical hardwoods — are classified under a single 10-digit line (4406920000). Canada and Italy are the recorded US suppliers, a pairing that reflects both North American white oak production and European hardwood processing capacity. Like their coniferous counterparts, impregnated hardwood ties are subject to EPA requirements for the specific preservative system used, and hardwood species from certain origins may also trigger Lacey Act declaration obligations. The combination of treatment documentation, species identification, and EPA compliance makes entry preparation more complex than for standard sawn lumber.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
27 shipments/mo
Canada is a USMCA partner, and goods that meet USMCA rules of origin — including applicable regional value content and tariff classification change requirements — may qualify for preferential duty treatment. Importers should obtain a USMCA certificate or certification of origin from their Canadian supplier and confirm that the specific product meets the applicable origin criteria.
Best practice is to retain mill certificates identifying the wood species by scientific name, treatment plant records showing the preservative type and EPA registration number, and any chain-of-custody documentation required under the Lacey Act. For shipments from Italy, EU timber regulation compliance records from the exporter can supplement Lacey Act due-care documentation.
HSChapter 44
Subheading 1 of 4 in heading 4406
Subheading 440692 · $14.0M of $18.6M
ImportsExports
Imports
$374KYoY · free account
Exports
$14.0MYoY · free account
12-mo low · imports
YoY · free accountOver the twelve months to August 2026, the U.S. imported $2.4M of Impregnated Nonconiferous Railway & Tramway Sleepers (Ties).
Through August 2026. Source: U.S. Census Bureau.
Exports · August 2026
destination
Canada and Mexico together take 100% of it.
customs district
origin
entry
rate provision · imports
100.0% enters free of duty; duty collected equals 0.00% of total import value.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share |
|---|---|---|---|---|
| 4406920000 | Railway/Tramway Sleepers Nonconiferous Impregnated | $374K | 0.00% | 0.00% |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4406920000 | Railway/Tramway Sleepers Nonconiferous Impregnated | $14.0M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Trade Directory
List your company under HS 440692 — Impregnated Nonconiferous Railway & Tramway Sleepers (Ties), so the companies trading it can find you. Be the first supplier listed.