If you need a similar "signage-inspired" aesthetic without the licensing fee, these Google Fonts are excellent substitutes:
, specifically tailored for their brand identity. While the standard Interstate font family is a commercial typeface designed by Tobias Frere-Jones and inspired by highway signage, it is not available for free for official or commercial use.
The font used in the EY (Ernst & Young) logo is a modified, proprietary version of Interstate