。
I took Highway 58, you know.
Literal
I [topic-は] number-58 [of-の] highway [object-を] used [emphasis-よ].
高速道路 ('highway, expressway') is the term for limited-access toll roads in Japan; ５８号 follows the same numerical naming convention as Japanese routes (国道58号 = National Route 58). 使う is the workhorse verb for 'to use' — works for tools, methods, language, and routes alike.