Take a look at this page from the Taiwanese freeway authorities…
“Major Service Area / Connect Road”
“Only have S.B. Entrance & N.B. Exit”
“The Lists of National Highway Interchanges Mileage”…
Both halves of the Straits are now reunited by Chinglish…
They should read:
“Major Service Area / Connections to”
“Southbound entrance and northbound exits only”
“National Highway Interchange Mileage List”…