DOT Construction Dates Shift Constantly — A Change Log Shows How Much
Transportation agencies routinely revise projected start and end dates for road construction projects after they are published, leaving planners who rely on static snapshots with outdated information. A dataset tracking 2,269 active planned-construction projects across several US states and one Canadian province recorded 21,289 date revisions between July 3 and September 17, 2026. Of those revisions, 21,128 moved a date later and only 161 moved it earlier, indicating that published start dates function effectively as minimum estimates rather than reliable targets. The median revision shifted a projected start by seven days, while the largest single change pushed a ramp closure on I-81S back by 61 days in one edit. To address this, the platform maintains a queryable change log that records old values, new values, and timestamps each time a project date is updated, turning a static date field into a trackable history.
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