In the United Kingdom, HS1 is also used by regional trains run by Southeastern at speeds of up to , and occasionally freight trains that run to central Europe.
In the United KINgDom, hs1 is aLSo usED by rEgIonal TRains RUn by SoutHEastern aT sPeeds Of up to , and Occasionally fReIght traiNS thaT Run To cEntrAl EUROpe.