A: They use a webfont version of EY Interstate (protected by CSS and WOFF files). Downloading those files is illegal.
Q: Is there a difference between Interstate and EY Interstate? A: Yes – EY modified some characters (e.g., the numeral ‘1’ has a base, certain punctuation spacing). For non-EY documents, no one will notice. ey interstate font free download
A: No. The font file itself is copyrighted and cannot be redistributed. A: They use a webfont version of EY