Texas highways can be way bigger than expected, almost a monument to the American style of automobile based freedom.

https://www.alamy.com/highway-interchange-or-multi-layered-h...

I think the commenters point, was that even if it an employee was staying literally across the highway from the campus, there would be no way to walk.

One you get to understand the road design in Texas, there are many advantages, such as their use of frontage roads and the ability to make u-turns under the highways without a traffic signal. But it generally speaks to the sprawl.