It's actually usually quickly apparent from the institutions' websites. If you have a particular question or a statement from a prospectus/website you don't understand that's ok , but make some of the effort!
What exactly do you mean by traditional based? Have you looked up PBL, lecture based, integrated teaching, systems based approach ... ? There's a bit more to it than modern or traditional.
If you're asking which schools offer the old-fashioned pre-clinical and clinical divide style of course, then Oxford, Cambridge and St Andrews (Pre-Clinical only) are the places.