#1191 1935 · Carl C. Magee / Oklahoma City · Urban transportation / parking
Oklahoma City rented downtown parking spots by the nickel and ended all-day free parking
问题
Downtown workers parked in shopper spaces all day for free, leaving no room for the customers merchants needed
背景
Oklahoma City's registered vehicle count grew from roughly 3,000 in 1913 to 500,000 by 1930, and downtown had nowhere near enough curb space to absorb it. With parking free and unlimited, the closest spaces filled every morning with cars belonging to people who worked downtown and left them there all day, forcing the shoppers merchants actually depended on to park blocks away or go elsewhere. The city's only enforcement tool was police who chalked tires and made hourly rounds to catch anyone who'd overstayed, a slow, labor-intensive process that could only catch a fraction of violators.
Newspaper publisher Carl Magee, who had moved to Oklahoma City in 1927, was appointed to a Chamber of Commerce committee tasked with solving the congestion. Adding parking capacity was expensive and slow to build, and hiring more officers to chalk more tires only scaled the existing labor-intensive enforcement model rather than fixing its underlying weakness.
换别人会怎么做
The available levers were building more parking capacity, which was slow and expensive for a downtown already built out, and hiring more police to chalk tires and issue tickets, which just scaled the same labor-intensive enforcement that was already failing to keep pace with the number of cars.
他们看到了什么
The city did not need more parking enforcement officers chalking tires — it needed a device that charged for time itself, so a space stayed empty for anyone only as long as someone else had paid for it.
那一手
Magee designed a small, coin-fed mechanical timer — nicknamed 'Black Maria' — that a driver wound after depositing a nickel, and which visibly displayed how much paid time remained in that spot. On July 16, 1935, 175 of these meters were installed across fourteen blocks of downtown Oklahoma City, charging a nickel per hour with a $20 fine for letting the meter expire.
为什么管用
The meter shifts enforcement from a human patrol, which can only check any given space a few times a day, to a continuously running cost the driver sees the instant they park: a red flag or expired display is visible from a distance and self-evident, unlike a chalk mark that requires an officer to have specifically checked that tire hours earlier. Because the meter charges by time rather than banning long stays outright, it doesn't stop someone from parking all day if they're willing to keep feeding it coins — it just makes that choice cost something, which naturally pushes all-day parkers toward garages or transit while leaving short shopping trips cheap, achieving the desired turnover without a single new rule being broken or enforced by hand.
值了多少
The first 175 meters, installed July 16, 1935, succeeded so quickly the city went citywide, and the idea spread across the US within years.
什么时候会失灵
The mechanism only creates turnover if the fee is high enough relative to what's parked nearby (a symbolic nickel does nothing in a market where drivers will happily pay it all day) and if evasion is costly enough to matter, which is why the fine for an expired meter had to be forty times the hourly rate. It also depends on drivers having a genuine alternative once the meter makes all-day curb parking expensive — without nearby garages or transit, priced parking just pushes cars onto residential side streets instead of solving the underlying demand.
后来呢
The parking meter Magee patented as the 'Park-O-Meter' spread to cities across the United States within a few years and became the default mechanism for managing curb parking worldwide for the rest of the century, later evolving into pay stations and app-based systems that still run on the same core logic: a space is free to use only for as long as someone has paid for it.
资料来源
- [1]Parking MeterThe Encyclopedia of Oklahoma History and Culture, Oklahoma Historical Society, 2024okhistory.org
- [2]World's first parking meter installedHistory.com, 2023history.com