The "cross" floor plan and stone facing are meant to evoke a traditional feel, while the tent-like vertical elements and copper roofing reflect modern design tastes.
The materials used for the building are stone and concrete for the walls; copper for the roof, oxidized to green on the outside; and burnished blond on the inside.
The church is decorated with works of Marcello Avenali, Jorio Vivarelli, Dilvo Lotti, and Luigi Venturini.
The intention of the church builders was to honor the workers who had died during construction of the freeway and to provide a "parish for the tourists" so those who were travelling could have a place to worship.
The Autostrada del Sole is a reflection of two great societal changes of the 1960s, a society moving towards a more mobile and itinerant culture and the new religious ideas brought forward in the Second Vatican Council pronouncements.