# Oakland Subdivision

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Railroad line in California

The railroad as it crosses the freeway in the [Altamont Pass](/source/Altamont_Pass)

v t e Oakland Subdivision Legend Niles Subdivision BART Oakland Coliseum San Leandro Bay Fair San Lorenzo Creek Hayward South Hayward Niles Subdivision Union City Alameda Creek USG Niles Subdivision Warm Springs Subdivision Niles Canyon Railway Niles Canyon Alameda Creek Hearst Siding Arroyo Valle Pleasanton Iron Horse Regional Trail Livermore WP Vasco Road Altamont Pass through the Diablo Range Valley Link (planned) South Bay Aqueduct California Aqueduct Tracy CFNR San Joaquin River Lathrop/Manteca Fresno Subdivision North Lathrop (planned) Intermodal Facility Stockton Yard BNSF Stockton Subdivision Fresno Subdivision

The **Oakland Subdivision** is a [Union Pacific Railroad](/source/Union_Pacific_Railroad) line in the [U.S. state](/source/U.S._state) of [California](/source/California). It extends from [Stockton](/source/Stockton%2C_California) in the east to [Oakland](/source/Oakland%2C_California),[1] crossing the [Diablo Range](/source/Diablo_Range) at [Altamont Pass](/source/Altamont_Pass) and traversing [Niles Canyon](/source/Niles_Canyon). The line was originally built by the [Western Pacific Railroad](/source/Western_Pacific_Railroad) as the final Pacific leg of their [Feather River Route](/source/Feather_River_Route) — it was acquired by Union Pacific upon their purchase of [Southern Pacific](/source/Southern_Pacific_Transportation_Company). For its length, the line largely parallels the route of the [First transcontinental railroad](/source/First_transcontinental_railroad), the [Western Pacific Railroad (1862–1870)](/source/Western_Pacific_Railroad_(1862%E2%80%931870)), though the Subdivision was laid out decades after the Western Pacific.

The line north and west of Niles has seen a reduction in freight movements as operations are consolidated on the parallel [Niles Subdivision](/source/Niles_Subdivision).[2] [Altamont Corridor Express](/source/Altamont_Corridor_Express) [commuter rail](/source/Commuter_rail) trains operate on the line from Niles to [Lathrop](/source/Lathrop%2C_California) and the southern leg of the [Bay Area Rapid Transit](/source/Bay_Area_Rapid_Transit) system was constructed in the rail line's [right of way](/source/Right-of-way_(property_access)) between [Fruitvale](/source/Fruitvale%2C_Oakland%2C_California) and [Union City](/source/Union_City%2C_California) in the early 1970s.[3]

## References

1. **[^](#cite_ref-1)** SMA Rail Consulting (April 2016). ["California Passenger Rail Network Schematics"](https://dot.ca.gov/-/media/dot-media/programs/rail-mass-transportation/documents/f0009927-ca-rail-schematics-a11y.pdf) (PDF). California Department of Transportation.

1. **[^](#cite_ref-Improve_2-0)** Alta Planning + Design (November 2009). [Union Pacific Railroad Oakland Subdivision Corridor Improvement Study](https://www.railstotrails.org/resourcehandler.ashx?id=4570) (Report). Alameda County Public Works Agency. Retrieved December 7, 2020.

1. **[^](#cite_ref-1961Report_3-0)** ["Rapid Transit for the San Francisco Bay Area"](http://libraryarchives.metro.net/DPGTL/bart/1961-parsons-engineering-report-to-sf-bart-district.pdf) (PDF). *LA Metro Library*. Parsons Brinckerhoff / Tudor / Bechtel. Retrieved July 21, 2018.

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Adapted from the Wikipedia article [Oakland Subdivision](https://en.wikipedia.org/wiki/Oakland_Subdivision) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Oakland_Subdivision?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.