IMO, Nike should make sure that these types of signs hit the streets like six days before the annual Nike Womens 13.1-Mile Marketing Effort
(Interesting font there, SFMTA!)
The way things stand now, notice is insufficient.
IMO.
(The person who will tow your ride Sunday morning will live south of SF, and have bible verses cited on the side of his tow truck, if Past Is Prologue.)