Simplify the following text for a Grade 8 native English-speaking person.
Original: Tyler agreed to this arrangement , and to this day all carriages on the Talyllyn have doors on one side only , an unusual feature for a public railway which is shared ( albeit for different reasons ) with the neighbouring Corris Railway .
Simplified: Tyler agreed to this arrangement , and to this day all carriages on the Talyllyn have doors on one side only , an unusual feature for a public railway . This feature is however shared with the neighbouring Corris Railway , though for different reasons .