Section 1. 86.19 (1g) of the statutes is created to read:
86.19 (1g) (a) Subject to par. (b), the department shall erect and maintain 2 directional signs along eastbound and westbound I 94 and 4 directional signs along the exit ramps that correspond to the signs along the main roadway in Milwaukee County for the Basilica of St. Josaphat.
(b) Upon receipt of sufficient contributions from interested parties, including any county, city, village, or town, to cover the costs of fabricating, erecting, and maintaining the signs specified in par. (a), the department shall erect and maintain the signs. No state funds, other than from the receipt of contributions under this paragraph, may be expended for the fabrication, erection, or maintenance of the signs.
Directional signage for the Basilica of St. Josaphat in Milwaukee County
As of today, it's the law, per 2015 Wisconsin Act 51: