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Hypoglycemia is a major safety concern for drivers with diabetes. Continuous glucose monitoring (CGM) improves detection of low glucose levels while driving, yet evidence regarding real-world use remains limited. We conducted a national survey of 1209 Australian drivers with diabetes treated with glucose-lowering medication (mean age 55, standard deviation15 years; 47% using CGM; 39% with type 1 diabetes). Twenty-eight percent of participants reported hypoglycemia while driving in the past 12 months. CGM use was associated with higher odds of reporting hypoglycemia while driving (adjusted odds ratio 3.61 [95% confidence interval: 2.19-5.68]), likely reflecting greater detection. Two-thirds of CGM users relied on CGM vibration or audio alerts, and fewer than one in five adjusted alert thresholds for driving. Difficulty using CGM while driving (50%) and legal uncertainty (43%) were the most frequent barriers. Drivers expressed strong interest in safer in-car CGM integration and clearer legal guidance to support glucose monitoring while driving.