The subway cars are fully furnished with vintage advertising placards and route maps, completing the period atmosphere inside the vehicles.
To the wall were pasted advertising placards, one over the other, an accretion of years.
The comics, in the form of 1,140 advertising placards, are being installed in about 1,000 subway cars.
One of the characters takes a fancy to "Miss Turnstiles," a "typical rider" whose picture appears in many different poses on advertising placards.
Negro League players came in for portraits, and club owners brought in their coming attractions for photos to be used on advertising placards.
Commuters heard the crackle of gunfire echoing through the crowded catacomblike platform and ran for cover, diving into telephone booths and crouching behind advertising placards.
It also created a series of mathematical puzzles that were posted among the advertising placards on San Francisco Muni buses.
This gives corporate sponsors a chance, through advertising placards being shown on television, to gain entry into a consumer market of 1.2 billion people.
But there is one almost systemwide change that only dawns on people gradually - the disappearance of advertising placards while the Transit Authority re-evaluated its subway-concession policy.
Sarah turned away and looked at the advertising placards.