Here is the response (initial since I sent a follow up to the correct location) from the DOT Librarian shown below. Thank you to the very helpful DOT Librarians for giving us the few grant suggestions contained in the letter below which can be passed onto the Metrolink Train Association.
Note: the hyperlinks to the associated webpages to access grant information do work. Enjoy.
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Recently you requested assistance from the US Department of Transportation. Below is our response to your request.
If this issue is not resolved to your satisfaction, you may reopen it within the next 0 days.
Thank you for allowing us to be of service to you.