While the specific "EY" modified version is restricted, the original can be licensed through authorized type foundries:
To install the Interstate font on your computer, follow these steps: ey interstate font download
If you need a similar look without the proprietary branding or commercial licensing fees, these fonts share the same highway signage inspiration (Highway Gothic): Section and style guide - a developer's and designer's tool While the specific "EY" modified version is restricted,
If you have landed on this page searching for you are likely a designer, marketer, or business professional working with branding materials for EY (Ernst & Young), one of the "Big Four" accounting firms. The EY Interstate typeface is a defining element of the company’s visual identity—sleek, authoritative, and highly legible. ey interstate font download
As the current owner of the typeface, Frere-Jones Type provides professional licensing for various weights and styles.