Frequently Asked Questions

Public API

How do I register to make use of the API?
Complete the Request Access form on this site. Following approval of your request you will be able to create tokens for each individual application that will use the API. Detailed instructions are available in our Guide.
Does the API provide authoritative source data from the Federal Railroad Administration?
Yes, the API is the authoritative source for FRA data.
Where can I find sample codes and/or instructions for developing apps?
ASP.NET: Please check our .NET sample page.
I want to develop an application using a programming language that FRA is not supporting, what can I do?
You also may email suggestions to us at RsisRXIUpdates@dot.gov. We will evaluate your request and determine whether we have the ability to support it.
I think I found an error in your code. Who can I contact at FRA about this?
We appreciate and welcome your feedback. The best way to reach us is by e-mail: RsisRXIUpdates@dot.gov.
I have a suggestion for an FRA API. What is the best way to contact FRA?
We appreciate and welcome your feedback. The best way to reach us is by e-mail: RsisRXIUpdates@dot.gov.