WOBURN, Mass. (AP) — A truck has spilled its load of what was described as “cranberry sludge” on a Boston-area highway, painting the roadway red and slowing traffic during the morning commute.

The state Transportation Department tweeted that the truck shed its load on Interstate 95 north in Woburn at about dawn on Thursday, forcing the closure of the one lane and an off-ramp.

According to broadcast traffic reports, cleanup crews used shovels and hoses to clean up the slippery mess, and then sanded the area, but the highway retained a distinct reddish hue.

There was no immediate word on what caused the spill or exactly how much of the sludge spilled on the highway.

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