Plus, studless winter tires are easier on the road surfaces than studs.Per a study by Washington State Department of Transportation, studded tires offer only a marginal increase in traction, and only in very limited circumstances. "Winter" studdless tires offer better traction in snowy conditions, more often than studded tires.
T'were me, I'd wear out the A/T tires or buy a second set of severe snow service (snowflake in the mountain)/dedicated winter tires. You'll almost certainly be safer than running studded tires.
https://www.wsdot.wa.gov/research/reports/fullreports/551.1.pdf
Tires have only gotten better since this study was completed.
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