It will be almost 2 years since LIRR got released and i merged it with NEC. But that was it, merged with possibility to use only one timetable (lirr one or nec one). I always want to have both timetables on that merged route but all my merging work end up with crashing TSW until now Since January i am able to mod timetables (im working on MSB real 2017 timetable) which takes some times but i was never thinking about using that for merging 2 timetables together. Since yesterday i got idea to merge NEC and LIRR timetable using layer system (LIRR timetable is the main one, NEC timetable is extra layer). Dont expect release date anytime soon as merging timetables is very long and slow process without the proper tools and for me its just testing project for now to see if its even possible. So here is some short movie where you can see LIRR route with original timetable and after the timetable switching you are able to see LIRR NEC timetable which include 808 services.