They rode past St. Luke's Hospital where Cpl. Seth Kelly is receiving care.
Representatives from the hospital said Cpl. Kelly was moved to a vantage spot where he could view the silent but colorful tribute.
Lower Mount Bethel Fire Lt. Bob Kummer suggested the idea on Facebook.
"It's just to support and tell him we're behind him all the way, to make sure he recovers 100 percent through this," Kummer said.
The first responders say they had to do something for Corporal Kelly.
"We're just driving by the hospital silently, saying we're here, we support you," Fountain Hill Fire Deputy Chief Andrew Roberts said.
Lt. Kummer says he knows Corporal Kelly and his family personally.
"Very nice people, friendly, nice to talk to, they wave to you on the road," Kummer said.
It was last Tuesday morning when Kelly was shot three times on Route 33 in Plainfield Township.
He was responding to help backup fellow Trooper Ryan Seiple for a DUI arrest.
Police said a violent fight broke out between the suspect and the troopers. Then a gunfight erupted and Kelly was shot.
The suspect, 22-year-old Daniel Clary, was also shot and drove himself to the hospital.
Clary remains hospitalized under guard until he can be taken to jail.
Cpl. Kelly has undergone surgeries and is said to be on the road to recovery.
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