ORLANDO, Fla. -- A small stretch of Interstate 4 between Daytona Beach and Orlando where motorists have reported unexplained, ghostly sightings was built on top of four graves, Local 6 News reported.

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On Monday night, Local 6's Mike Holfeld reported on a stretch of road that has been the location of nearly 2,000 accidents since 1963.

Over the years, people reported seeing strange things on the road.

"People are claiming to see all kinds of things -- orbs floating across the highway, apparitions on the side of the road hitchhiking, phantom trucks, you name it," book author Charlie Carlson said.

After the report aired, viewers called to learn more about a photo of a ghostly figure seen in front of a crumpled sedan that was apparently taken on the "I-4 Dead Zone."

Carlson, who is the author of the book Weird Florida, said he received the ghostly photo via e-mail from a Melbourne reader four years ago.

However, Holfeld has learned that the photograph or one similar to it has been circulating since 1999.

Holfeld also said what is certain is that four graves are located beneath the stretch of I-4.

The graves date back to the 1880s and a settlement called St. Joseph’s Catholic Colony, the report said. One of the German families fell victim to a yellow fever epidemic.

"It is two adults and two children buried on the very spot that has been shrouded in mystery," Holfeld said.

The family buried under the road is one of eight families found on a document, Holfeld said. The names are: Geiseker, Schlosser, Krueppel, Bauer, Forwald, Ochbosch, Yueger and Kulsch.

"We can pretty much narrow it to one of those families for sure," Sanford historian Christine Best said.

The Florida Highway Patrol is working with Local 6 to develop new information in the case, Holfeld reported.

Watch Local 6 News for more on this story.