Mapping trauma data reveals where whole blood transfusions are most needed.

• In Omaha and Lincoln, significant correlations were found between massive transfusion protocol activation and trauma incidents, p < 0.001.
• Downtown areas showed the highest need for prehospital whole blood transfusions.

This approach can help hospitals allocate blood resources more effectively.

• Out of 427 patients with activated MTP, geo-mapping identifies critical zones for intervention.