STR-EXP-025 FreewayTypical at: Rural Suburban Compact
Undeveloped and Urban are edge cases. Core is an unlikely pairing.
Expressway sits between full Freeway and Arterial in character, partial rather than complete access control, which is why its realistic density range skews slightly narrower than the full Freeway Default entry.
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Formal citations for this pattern have not yet been compiled from primary sources.