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What is a state patrol blood relay?

Question: I have a question about the Minnesota State Patrol Blood Relays. Recently, one was performed from the twin cities to Redwing. Why did it involve three patrol officers? I know this isn't a great distance and have just been wondering what rules or regulations dictate how this is handled.

Answer: Great question as this story was shared on our Facebook page. The Minnesota State Patrol is divided into districts across the state. Within each district is a station that has an assigned number of troopers.

Troopers will sometimes take the blood relay a great distance depending on how many other Troopers are working within the station/district at that time. A number of years ago, I provided a blood relay from Moorhead to Bemidji. Troopers are often tied up with other calls for service (crashes, motorist assists, etc.), which impacts how the blood is transported.

Time is obviously crucial in these situations so being familiar with the area is critical. Troopers who work their specific district know the area and hospital locations better than Troopers from different districts. Troopers making the final leg of the run know the quickest way to get to the hospital while other troopers may not be as familiar with the area.

A portion of state statutes were used with permission from the Office of the Revisor of Statutes. If you have any questions concerning traffic related laws or issues in Minnesota, send your questions to Trp. Jesse Grabow — Minnesota State Patrol at 1000 Highway 10 West, Detroit Lakes, MN 56501-2205. (You can follow him on Twitter @MSPPIO_NW or reach him at