Sprint Communications has filed a lawsuit against All Aboard Florida, alleging the Miami-based Brightline parent has not paid for services Sprint completed along the train route where Brightline is slated to run.

Filed last week in the U.S. District Court in the Southern District of Florida, the suit alleges All Aboard Florida owes Sprint $646,266.40 for the cost of relocating fiber optic lines. If full payment is not received, Sprint is seeking a judge’s order to halt any work on the Brightline…