MARAD Gateway Regions: Geographic Boundaries for Nine U.S. Maritime Port Regions

Nine geographic regions defined by the U.S. Maritime Administration for outreach activities at major gateway ports. The dataset is part of the National Transportation Atlas Database and was sourced from MARAD as of October 2025. All regions contain one office except the Inland Gateway Region, which has two.

Use Cases

• Map maritime administrative outreach coverage based on the nine defined gateway regions.
• Analyze port infrastructure distribution based on the West, East, Gulf coasts, inland river, and Great Lakes regions.
• Support regional transportation planning based on the defined geographic boundaries of MARAD offices.

Strengths

• Defines nine distinct geographic regions for maritime administration.
• Part of the authoritative National Transportation Atlas Database (NTAD).
• Includes a specific data dictionary accessible via a DOI (10.21949/1529308).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Freshness should be verified; the underlying data is from October 2025.

Provenance

Source

U.S. Maritime Administration (MARAD), part of the U.S. Department of Transportation/Bureau of Transportation Statistics.

Collection Method

Likely compiled for the National Transportation Atlas Database (NTAD).

Time Range

Data as of October 07, 2025.

Freshness

Last updated 2026-03-13 22:59:34.444544

Geography

United States, covering major gateway ports on West, East, and Gulf coasts, the inland river system, and the Great Lakes.