Posts by David Humphrey, Ph.D
David Humphrey, Ph.D
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AC/DC Dynamics
RAILWAY AGE MAY 2025 ISSUE: Railinc’s analysis of the North American locomotive fleet reveals that the size of the total fleet increased slightly in 2024. Detailed analysis reveals the following trends:…
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New Cars Trend Large
RAILINC 2025 FREIGHT CAR REVIEW, RAILWAY AGE APRIL 2025 ISSUE: Railinc’s analysis of the North American revenue-earning fleet reveals that the total fleet increased in 2024 with almost all car…
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Rebuilt Relevancy
RAILWAY AGE MAY 2024 ISSUE: Railinc’s analysis of the North American locomotive fleet reveals that the size of the total fleet decreased very slightly in 2023. Detailed analysis reveals these…
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Total Fleet Increase
RAILWAY AGE, APRIL 2024 ISSUE: Railinc’s analysis of the North American revenue-earning fleet reveals that the total fleet increased in 2023 with almost all car types accounting for the gain.…
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Rebuilds Rule
RAILWAY AGE, MAY 2023 ISSUE: Railinc’s analysis of the North American locomotive fleet reveals that the size of the total fleet decreased slightly in 2022.
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RAILINC FREIGHT CAR REVIEW 2023: Trending Larger
RAILWAY AGE APRIL 2023 ISSUE: Railinc’s analysis of the North American revenue-earning fleet reveals that the total fleet increased in 2022 with almost all car types accounting for the gain.
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Railinc Locomotive Report: Economic Mirror
RAILWAY AGE MAY 2022 ISSUE: 2021’s minor fleet size decrease reflects COVID-19’s economic impacts and excess locomotive supply due to utilization improvements surrounding PSR (Precision Scheduled Railroading).
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Heavyweights Dominate
RAILWAY AGE, APRIL 2022 ISSUE: Railinc’s annual analysis of the North American revenue-earning fleet reveals that the total fleet decreased in 2021 with all car types accounting for the loss.…