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The Washington Post
washingtonpost.com
did:plc:k5nskatzhyxersjilvtnz4lh
The speed limit on Pennsylvania Avenue NW is 25 mph. But this weekend, racecars will zoom at speeds as high as 185 mph during the Freedom 250 Grand Prix.
All 220 manholes were welded down to prevent them from going flying when cars zip over them.
https://www.washingtonpost.com/dc-md-va/2026/08/18/why-over-200-manholes-were-welded-down-grand-prix-race-dc/?utm_campaign=wp_main&utm_source=bluesky&utm_medium=social
2026-08-19T06:00:11.471Z