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HSChapter 44
U.S. imports of impregnated nonconiferous railway & tramway sleepers (ties) (HS 440692) totaled $477K in June 2026, traded with 1 country.
Impregnated Nonconiferous Railway & Tramway Sleepers (Ties) imports of $477K in June 2026 ran 146% above the year-to-date monthly average of $194K.
Last updated: June 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.
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.
| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | $477K | $13.8M | +$13.3M |
| MEXICO | -- | $74K | +$74K |
| PANAMA | -- | -- | -- |
| COLOMBIA | -- | -- | -- |
| CAYMAN ISLANDS | -- | -- | -- |
Monthly import values over time
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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 | $477K | 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 | $13.9M |
MIX SPF WOOD SAWN/CHIP LENGTHW,SLICED/PEEL,GT 6MM
HS 440713
OTHER ARTICLES OF WOOD, NESOI
HS 442199
PLYWD/ETC,NES,GT-1 OUT PLY NONCNF SPECES IN SUBHD
HS 441233
ORIENTED STRAND BOARD (OSB), OF WOOD
HS 441012
BUILDERS' JOINERY AND CARPENTRY OF WOOD, NESOI
HS 441899
OTHER CONIF WOOD, SAWN/CHIPED LENTGW, THKNS GT 6MM
HS 440719
| Port | Imports | Exports | Balance |
|---|---|---|---|
| INTERNATIONAL FALLS-RANIER, MN | -- | $5.2M | +$5.2M |
| PORTAL, ND | -- | $4.1M | +$4.1M |
| DETROIT, MI | -- | $2.1M | +$2.1M |