Two distinct layers

Two distinct layers. The published layer is tariff mechanics: a rail-mileage-based highway-diesel fuel surcharge schedule effective June 5, 2026 defining the trigger (DOE-EIA monthly US No. 2 Diesel Retail Sales all-sellers average at or above 375 cents/gal), the formula (1 cent per mile per railcar for each 4 cents/gal or portion by which the two-months-prior average exceeds 374.9 cents), the application lag (bills of lading dated on or after the first day of the second following calendar month), and a full tiered cents-per-gallon to cents-per-mile lookup table running from 0-374.9 = 0 through 587.0-590.9 = 54 and beyond. The genuinely proprietary layer is the reference the formula depends on: the ShipCSX rail-mileage look-up system, holding authoritative rail miles between origin, interchange(s) and destination, used to price both CSXT and joint-rate movements.

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Coverage

Universe, instruments and categories.

Industry: Rail TransportationOil & Gas Refining & Marketing
Instruments: equitiescommoditiesoptions

Dataset card

Type: not stated
Format: Tabular — a published tariff schedule with a numeric bracket table, plus the ShipCSX mileage look-up exposed as a sign-up-gated web query system rather than a downloadable file or open API
Volume: est. the surcharge schedule is trivial in volume — one bracket table of a few dozen rows per publication, with roughly one to four publications per year, so a few KB. The ShipCSX mileage matrix is the substantial asset: the CSX network spans roughly 21,000 route miles with tens of thousands of stations, terminals and interchanges, implying a lane-distance reference on the order of 10^7-10^9 origin-destination pairs served as queries rather than bulk exports. Carload and intermodal movement records at this revenue scale run to hundreds of millions of rows per year.
Users: est. thousands to low tens of thousands of registered business accounts on ShipCSX — CSXT serves a very large carload and intermodal customer base and ShipCSX registration is per-company for placing, costing and tracking moves (CSX does not publish an account count; bounded by Class I customer scale)
History: 25 years
Update frequency: not stated
Growth: Active — the publication carries a forward effective date of June 5, 2026 and applies prospectively to rates established on or after that date, showing current tariff maintenance; it additionally flags a contingency to substitute the price index if DOE-EIA ceases publication, indicating active administration of the mechanism
Launched: Publication 8662 itself takes effect June 5, 2026 (the dated artifact in hand). The underlying practice of indexing rail fuel surcharges to a public diesel price dates to the mid-1970s OPEC era, and ShipCSX as CSX's customer electronic ordering and reference platform launched in the 2000s as railroads moved tariff and waybill functions online.
Delivery: not stated
Entity mapping: not stated
Sample: not stated
Point-in-time: not stated
Licence: not stated

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