They are relevant and courts have considered the whole of a persons movements standard in terms of whether querying ALPR data constitutes a search, https://andrewpwheeler.com/2026/08/12/license-plate-reader-s...
Under current case law (Carpenter and recently affirmed in Chatrie) it will definitely be a search, IMO it is just when the sensors become dense enough according to the court (absent states do not make regulation themselves to require a warrant for historical data).