Think again, as the California Zephyr, the longest route in America crosses through seven states, carving up Colorado’s canyons, then passing into Utah where the sun ignites mesas into flaming towers of rock.
—
Arati Menon,
Condé Nast Traveler,
28 Jan. 2026
Beyond cost, Purple Line development will face a high degree of difficulty because of the topography of mesas and valleys.
—
Michael Smolens,
San Diego Union-Tribune,
21 Dec. 2025
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