"They call them Public Safety Rest Stop Areas, but years past they were simply known as roadside parks, or rest areas. Somewhere back in the 70s or early 80s, they had evolved into 'comfort stations'.
You call them what you will, but motorists headed down the long highways of the Lone Star State simply call them 'relief.'
Regardless what you call them, if you've been down select Interstates of Texas lately you know these oasis on the concrete ribbon of life have been undergoing some changes in recent years, taking on a personality of their own, like roadside art with a purpose."
Read more here:
Texas Safety Rest Area Program