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Why Are Some Letters Missing From NYC Subways?

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If you’ve ridden the New York City subway, you know that the different trains are often designated by letters of the alphabet (or numbers, but we’re not talking about those).

If you’ve ridden the New York City subway a lot, you know that some letters are missing. And it’s not the tail end of the alphabet, either. There’s an A, B and C train and there’s also a Z train. But there's no H train or Y train. There are several other skipped letters, too.

The explanation for the missing letters fall (mostly) into two categories.

Discontinued

H, K, T, V and W are all former trains that have been discontinued. In fact, an in-depth look at the history of the Metropolitan Transportation Authority (MTA) reveals regular recycling of letters as trains go in and out of use. But let’s look at each of the current letters getting snubbed.

H

Technically, the H train is still in use. It is the internal name for the Rockaway Park shuttle in Queens that connects with the A train to provide service to the western edge of the peninsula. After a few years without any designation on the map, the shuttle became known as the HH train in 1962. Over the next several decades, it was known as the E and then the CC train. In the 1980s, the MTA did away with double letter designation and the shuttle earned its H name. Eventually, however, all shuttles started bearing the grey S designation on maps. Since this would create internal confusion, the MTA continues to call the Rockaway Park shuttle the H train for their own purposes.

H made a public resurgence as the name of a free shuttle that took over service for a suspended portion of the A train in the aftermath of Hurricane Sandy in 2012. The letter was available as the storm had also knocked out service on the Rockaway Park Shuttle. When both the shuttle and the A train came back online by the summer of 2013, H slipped back into hiding.

K

The K train used to run on the same Eighth Avenue track that currently sports the A, C, E. It was the name given to the former AA train when the use of double letters was discontinued in 1985. The K train was essentially the opposite of the C. Both ran locally between 168th street and the World Trade Center, but while C train service covered rush hours, the K took on midday, nights, and weekends. The K last ran on December 10, 1988; the next day, C train service was expanded to include all hours.

T

T (and TT) used to be the name of what is now known as the D train. It was absorbed by the B train in the 1960s, which was replaced by the W train and ultimately the D train in the early 2000s. If you miss the T train, never fear: It is the future name of the Second Avenue Subway, which is expected to open its first phase in December 2016.

V

Longtime New Yorkers may remember both the introduction and the dissolution of the short-lived V train. It debuted in December 2001 to replace a rerouted F train, traveling between the Lower East Side in Manhattan and Queens. Unfortunately, limited service patterns—the V only ran weekdays from approximately 6:30 a.m. to midnight—and budget cuts doomed the V train. In June 2010, it was merged with the M train and dropped the V designation.

W

Another short-lived, late-alphabet train, W debuted in 2001 to account for construction on the Manhattan Bridge tracks that disrupted the B train. During nearly nine years in use, its service area changed several times, going all the way to Coney Island to start, then eventually losing the Brooklyn borough altogether. In Manhattan, W traveled along the Broadway line that we now think of as the N, Q, R train, eventually getting absorbed into those lines in 2010 as a result of financial shortcomings.

Potential Confusion

The letters I and O were never used for trains because of their visual similarities to the numbers 0 and 1 and the use of both alphabetical and numerical designations in the New York Subway system. 

U and Y were eliminated from consideration because they are homonyms with actual words—namely, “you” and “why.” Apparently, the founders of what is now the MTA did not find the potential for “Who’s on First”-style confusion to be nearly as humorous as Abbott and Costello did.

The Problem with P

That leaves all the letters accounted for except P. There are several stories of almost-P trains. It was the intended name for the final leg of the Culver service (now the F line) into Manhattan that was scrapped in favor of a shuttle (labeled S as all shuttles are) at the last minute. It was also the name given to a specialty train designed to work around the 1992 potential Amtrak strike. Congress intervened at the last moment and no such emergency service was necessary. The P then stood for the incapacitated Penn Station. However, neither of these instances explain why it was never used for any new trains between the creation of the Culver shuttle and the 1992 near-strike. And so it is fun, if not entirely likely, to consider the theory that the P homonym was simply too immature for polite commuter conversation.

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Big Questions
Why Do Cats Freak Out After Pooping?
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Cats often exhibit some very peculiar behavior, from getting into deadly combat situations with their own tail to pouncing on unsuspecting humans. Among their most curious habits: running from their litter box like a greyhound after moving their bowels. Are they running from their own fecal matter? Has waste elimination prompted a sense of euphoria?

Experts—if anyone is said to qualify as an expert in post-poop moods—aren’t exactly sure, but they’ve presented a number of entertaining theories. From a biological standpoint, some animal behaviorists suspect that a cat bolting after a deposit might stem from fears that a predator could track them based on the smell of their waste. But researchers are quick to note that they haven’t observed cats run from their BMs in the wild.

Biology also has a little bit to do with another theory, which postulates that cats used to getting their rear ends licked by their mother after defecating as kittens are showing off their independence by sprinting away, their butts having taken on self-cleaning properties in adulthood.

Not convinced? You might find another idea more plausible: Both humans and cats have a vagus nerve running from their brain stem. In both species, the nerve can be stimulated by defecation, leading to a pleasurable sensation and what some have labeled “poo-phoria,” or post-poop elation. In running, the cat may simply be working off excess energy brought on by stimulation of the nerve.

Less interesting is the notion that notoriously hygienic cats may simply want to shake off excess litter or fecal matter by running a 100-meter dash, or that a digestive problem has led to some discomfort they’re attempting to flee from. The fact is, so little research has been done in the field of pooping cat mania that there’s no universally accepted answer. Like so much of what makes cats tick, a definitive motivation will have to remain a mystery.

Have you got a Big Question you'd like us to answer? If so, let us know by emailing us at bigquestions@mentalfloss.com.

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Big Questions
Why Do Baseball Managers Wear Uniforms?
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Basketball and hockey coaches wear business suits on the sidelines. Football coaches wear team-branded shirts and jackets and often ill-fitting pleated khakis. Why are baseball managers the only guys who wear the same outfit as their players?

According to John Thorn, the official historian of Major League Baseball since 2011, it goes back to the earliest days of the game. Back then, the person known as the manager was the business manager: the guy who kept the books in order and the road trips on schedule. Meanwhile, the guy we call the manager today, the one who arranges the roster and decides when to pull a pitcher, was known as the captain. In addition to managing the team on the field, he was usually also on the team as a player. For many years, the “manager” wore a player’s uniform simply because he was a player. There were also a few captains who didn’t play for the team and stuck to making decisions in the dugout, and they usually wore suits.

With the passing of time, it became less common for the captain to play, and on most teams they took on strictly managerial roles. Instead of suits proliferating throughout America’s dugouts, though, non-playing captains largely hung on to the tradition of wearing a player's uniform. By the early to mid 20th century, wearing the uniform was the norm for managers, with a few notable exceptions. The Philadelphia Athletics’s Connie Mack and the Brooklyn Dodgers’s Burt Shotton continued to wear suits and ties to games long after it fell out of favor (though Shotton sometimes liked to layer a team jacket on top of his street clothes). Once those two retired, it’s been uniforms as far as the eye can see.

The adherence to the uniform among managers in the second half of the 20th century leads some people to think that MLB mandates it, but a look through the official major league rules [PDF] doesn’t turn up much on a manager’s dress. Rule 1.11(a) (1) says that “All players on a team shall wear uniforms identical in color, trim and style, and all players’ uniforms shall include minimal six-inch numbers on their backs" and rule 2.00 states that a coach is a "team member in uniform appointed by the manager to perform such duties as the manager may designate, such as but not limited to acting as base coach."

While Rule 2.00 gives a rundown of the manager’s role and some rules that apply to them, it doesn’t specify that they’re uniformed. Further down, Rule 3.15 says that "No person shall be allowed on the playing field during a game except players and coaches in uniform, managers, news photographers authorized by the home team, umpires, officers of the law in uniform and watchmen or other employees of the home club." Again, nothing about the managers being uniformed.

All that said, Rule 2.00 defines the bench or dugout as “the seating facilities reserved for players, substitutes and other team members in uniform when they are not actively engaged on the playing field," and makes no exceptions for managers or anyone else. While the managers’ duds are never addressed anywhere else, this definition does seem to necessitate, in a roundabout way, that managers wear a uniform—at least if they want to have access to the dugout. And, really, where else would they sit?

Have you got a Big Question you'd like us to answer? If so, let us know by emailing us at bigquestions@mentalfloss.com.

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