Please consider to use {{BS-map}} instead of this one so you can skip the {{BS-header}} and {{BS-table}} altogether. See WP:ROUTE for more information.
This template define a suitable Wiki table style for including the Wikipedia:Route diagram template. Notice that this template does not include the command {| for calling out the Wiki table, you must write yourself before this template.
{|{{railway line header2 (center)}}
{{BS-header|Railway line header2 (center)}}
{{BS-table}}
{{BS|KBHFa||{{tl|Railway line header}}|float to right}}
{{BS|BHF||{{tl|Railway line header2}}|float to right, uncollapsible}}
{{BS|BHF||{{tl|Railway line header (center)}}|align to center}}
{{BS|KBHFe||{{tl|Railway line header2 (center)}}|align to center, uncollapsible}}
|} <!-- for closing the {| opened by BS-table. -->
|} <!-- for closing the {| at the beginning. -->