Responses
Yup I think I found it. Is it this?? Cuz the description matched this one
https://www.mangago.zone/read-manga/daites_ryou_koubouki/
YESS THANK YOUUUU
does anyone know the title of this manga? mc reincarnated to another world, she shut her self in her town/village, if I'm not mistaken she is a part of noble family. she make car, trains, telephone in her town/village