Roughly 620.9 million barrels of crude oil and petroleum were transported by pipeline, rail, barge and tanker from PADD 4 (Rocky Mountains) in the United States in 2021. This was the peak outflow in the period of consideration, and an increase of over nine percent from the previous year. Up until 2020, the greatest volume transported was recorded from production hot spots in PADD 3 (Gulf Coast). However, in 2021, it was surpassed by the PADD 2 (Midwest). As with all other PADD's, pipelines are the main mode of transportation for PADD 4.
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Volume of crude oil and petroleum moved by pipeline, tanker, barge, and rail from PADD 4 (Rocky Mountains) in the United States from 1985 to 2021
(in 1,000 barrels)
Characteristic
Volume of crude oil and petroleum in thousands barrels
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PADD stands for Petroleum Administration for Defense District. PADD 4 encompasses the Rocky Mountain states.
Figures were manually added by Statista from individual movements between each PADD. PADD 4 outflow to PADD 1, 2, 3, 5.
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EIA. (August 31, 2022). Volume of crude oil and petroleum moved by pipeline, tanker, barge, and rail from PADD 4 (Rocky Mountains) in the United States from 1985 to 2021 (in 1,000 barrels) [Graph]. In Statista. Retrieved June 26, 2025, from https://www.statista.com/statistics/1173164/us-padd4-volume-of-petroleum-movement-pipeline-barge-tanker-rail/
EIA. "Volume of crude oil and petroleum moved by pipeline, tanker, barge, and rail from PADD 4 (Rocky Mountains) in the United States from 1985 to 2021 (in 1,000 barrels)." Chart. August 31, 2022. Statista. Accessed June 26, 2025. https://www.statista.com/statistics/1173164/us-padd4-volume-of-petroleum-movement-pipeline-barge-tanker-rail/
EIA. (2022). Volume of crude oil and petroleum moved by pipeline, tanker, barge, and rail from PADD 4 (Rocky Mountains) in the United States from 1985 to 2021 (in 1,000 barrels). Statista. Statista Inc.. Accessed: June 26, 2025. https://www.statista.com/statistics/1173164/us-padd4-volume-of-petroleum-movement-pipeline-barge-tanker-rail/
EIA. "Volume of Crude Oil and Petroleum Moved by Pipeline, Tanker, Barge, and Rail from Padd 4 (Rocky Mountains) in The United States from 1985 to 2021 (in 1,000 Barrels)." Statista, Statista Inc., 31 Aug 2022, https://www.statista.com/statistics/1173164/us-padd4-volume-of-petroleum-movement-pipeline-barge-tanker-rail/
EIA, Volume of crude oil and petroleum moved by pipeline, tanker, barge, and rail from PADD 4 (Rocky Mountains) in the United States from 1985 to 2021 (in 1,000 barrels) Statista, https://www.statista.com/statistics/1173164/us-padd4-volume-of-petroleum-movement-pipeline-barge-tanker-rail/ (last visited June 26, 2025)
Volume of crude oil and petroleum moved by pipeline, tanker, barge, and rail from PADD 4 (Rocky Mountains) in the United States from 1985 to 2021 (in 1,000 barrels) [Graph], EIA, August 31, 2022. [Online]. Available: https://www.statista.com/statistics/1173164/us-padd4-volume-of-petroleum-movement-pipeline-barge-tanker-rail/
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