Maybe you could add more on why you want the 158 to be added since there are people like who don't know about the 158 and why it should come to wcl
And again, this is why we need a template for the suggestion forum. At a minimum the OP could have posted a Wikipedia link. Also if you search or check back, you will find the 158 has been quite frequently requested, along with a good route like the Marches line to run it on.