President Trump’s proposed 250-foot-tall triumphal arch would change the skyline of Washington to such an extent that it would intrude on views at dozens of historic sites around the capital, according to an assessment by National Park Service staff, the New York Times reports. The project, envisioned as a grand memorial to his presidency, would dominate the national capital’s silhouette. The assessment of the arch’s impact on surrounding historic properties is a key step the administration must complete before the project can receive final approval by the National Capital Planning Commission, which could come as soon as its next meeting on Sept. 3. Officials say the commission’s decision will hinge on the environmental and visual impact study prepared by park service engineers. The National Park Service staff’s analysis highlights the potential visual interference with numerous historic landmarks, raising concerns among preservationists and local officials. The agency’s findings are expected to play a critical role in the planning commission’s deliberations, as it weighs the architectural ambition against the cultural heritage of the capital and the National Mall. If approved, the 250-foot-tall arch would become a prominent feature of the Washington skyline, possibly overshadowing existing monuments and altering the historic character of the National Mall and surrounding neighborhoods. Critics argue that such a structure could diminish the visual prominence of cherished sites like the Lincoln Memorial and the Capitol building.

When could the arch receive final approval?

Approval could be granted at the National Capital Planning Commission meeting on Sept. 3.