District Department of Transportation ensures people and goods move efficiently through Washington DC. DDOT must also coordinate with federal agencies that require their own distinct set of regulations for trucks and commercial vehicle operations. To protect the public and city infrastructure and limit traffic congestion, DDOT requires a permit for oversize/overweight (OS/OW) vehicles to travel within the district. District officials implemented an automated route planning and permitting system that streamlines routing, helping to prevent bridge strikes and other actions that damage infrastructure and impact public safety.

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