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A problem that seems quintessentially Park Slope, too many SUV-sized baby strollers are crowding out shoppers, leading some retailers to take drastic steps to curb their effect on the shopping environment:

In Brooklyn’s child-filled neighborhood of Park Slope, Barnes & Noble has sought to put the brakes on a rolling problem — stroller overcrowding.

The bookstore chain’s Park Slope location set up something of a speed bump for the parental set when it posted a sign recently that said strollers were prohibited on its lower level.

“Due to overcrowding, strollers are NOT allowed downstairs,” the sign read, according to a photo posted on the Internet. “Please park your stroller in the designated area on the first floor.”

Web logs and Web sites picked up on the move, including the message group Park Slope Parents, which has more than 5,000 subscribers. The bookstore has since removed the sign and replaced it with an employee who politely points out the availability of spaces to park the mini-vehicles.

. . .

The bookstore’s move to limit strollers came amid an influx of families to the neighborhood. Residents say they can’t walk down the street without tripping on strollers, and that some coffee shops look more like day care centers.