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Urban Roadways identified in the May 12, 2005 City Council Approved Design Standards Policy Document, with recommended amendments made August 4, 2006. A copy of the ordinance can be found at...
Search relevance: 182.02 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 06:31 PM -
Urban Roadways identified in the May 12, 2005 City Council Approved Design Standards Policy Document, with recommended amendments made August 4, 2006. A copy of the ordinance can be found at...
Search relevance: 180.82 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 06:36 PM -
The DDOT Urban Forestry Administration keeps the District of Columbia's street tree canopy healthy, safe, and growing. Street trees require significant attention and upkeep to ensure they maximize...
Search relevance: 54.07 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 07:07 PM -
The National Highway System (NHS) dataset and its geometries was updated on August 08, 2025 from the Federal Highway Administration (FHWA) and is part of the U.S. Department of Transportation...
Search relevance: 44.38 | Views last month: 21 | Catalog Last Checked: July 31, 2026 at 08:41 PM -
Background: Accelerated transcriptomic and/or epigenetic age have been proposed as biomarkers of disrupted systemic health and of increased sensitivity to environmental exposures. Previously, we...
Search relevance: 44.11 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 07:03 PM -
Miles of public roads by the roadway's functional system and whether rural or urban for the 50 states, DC, and Puerto Rico (from 1996) from FHWA Highway Statistics table HM-60. (Note: In 2009,...
Search relevance: 38.18 | Views last month: 12 | Catalog Last Checked: October 29, 2026 at 10:28 PM
