Subway and Route Tasks (MTA Lines, Transfers)
Key Takeaways
- Lexington Avenue trains (4, 5, 6) connect 14th Street–Union Square and Grand Central–42nd Street with no transfer.
- The E train provides a direct Jamaica Center (Queens) to Times Square–42nd Street ride.
- Atlantic Avenue–Barclays Center and Jay Street–MetroTech in Brooklyn link via A, C, F, or R trains.
- The G train serves Brooklyn and Queens only—it does not enter Manhattan, a common exam trap.
- Read whether the stem requires a direct line, fastest ride, or fewest transfers before selecting an answer.
Subway and Route Tasks (MTA Lines, Transfers)
Quick Answer: NYPD spatial items test whether you can pick the fastest direct subway line between real stations—not full MTA expertise. Learn the major trunk lines (Lexington 4/5/6, Broadway N/Q/R/W, 7th Ave 1/2/3, 8th Ave A/C/E, Crosstown L/G) and which pairs connect without a transfer.
Roughly one in five spatial questions involves subway navigation. Stems name two stations and ask which train gets you there directly, or which transfer is required. You do not need every weekend service change; you need the primary line colors and corridors an officer would use on duty.
How Subway Questions Are Framed
| Stem pattern | What to identify | Example |
|---|---|---|
| Direct line | Single route, no transfer | Union Square to Grand Central on the 4/5/6 |
| Fastest single line | One train end-to-end | Jamaica Center to Times Square on the E |
| Brooklyn crosstown | Short hop within borough | Atlantic Ave–Barclays to Jay St–MetroTech |
| Transfer trap | Two lines that look close on a map but do not connect without walking | Assuming the G reaches Manhattan |
Always read whether the question says direct, fastest, or fewest transfers. "Direct" means stay on one train line letter set.
Major Manhattan Trunk Lines
| Line group | Trains | Primary corridor | High-yield OD pairs |
|---|---|---|---|
| Lexington Avenue | 4, 5, 6 | East Side Manhattan | 14 St–Union Sq ↔ Grand Central–42 St (no transfer) |
| Broadway–Seventh Avenue | 1, 2, 3 | West Side Manhattan | Times Sq ↔ 72 St on the 1/2/3 |
| Eighth Avenue | A, C, E | West Side express/local | E: Jamaica Center ↔ Times Sq–42 St (one-seat ride) |
| Broadway (BMT) | N, Q, R, W | Midtown west / downtown | R connects Brooklyn to Manhattan via Broadway |
| Crosstown | L | 14th Street Manhattan crosstown | Does not go to Grand Central |
| Flushing | 7 | Queens to Times Sq | Queensboro Plaza ↔ Times Sq |
Worked example — Union Square to Grand Central: Both sit on the Lexington Avenue line. Take the 4, 5, or 6 north to Grand Central–42nd Street. No transfer.
Worked example — Jamaica Center to Times Square: The E train runs from Jamaica Center in Queens to Times Square–42nd Street without changing trains. This is a classic "fastest single line" item.
Worked example — Atlantic Ave–Barclays to Jay St–MetroTech: Both are in downtown Brooklyn. The A, C, F, or R serve this short corridor directly depending on platform, but exam keys treat A/C/F/R as the through-running options—avoid answers that route you through Manhattan.
Brooklyn and Queens Lines Officers See
- A/C — Fulton Street corridor; Atlantic Ave hub; Jay St–MetroTech
- F — Brooklyn express linking Jay St, Barclays, and Queens via 63rd Street
- G — Only Brooklyn/Queens crosstown connector; does not enter Manhattan—a favorite trap
- L — Canarsie line; 14th St Manhattan; does not solve East Side north–south trips
- 7 — Flushing; Queens to Times Square
When a stem starts in Brooklyn and ends in Brooklyn, eliminate any answer that sends you through Manhattan unless the narrative demands it.
Transfers: When You Must Change
Know these transfer hubs conceptually:
| Hub | Lines meeting | Exam note |
|---|---|---|
| Times Sq–42 St | 1/2/3, 7, N/Q/R/W, S shuttle | Not the same as Grand Central |
| Grand Central–42 St | 4/5/6, 7, S | Lexington Avenue trunk |
| 14 St–Union Sq | 4/5/6, L, N/Q/R/W | East Side local/express |
| Atlantic Ave–Barclays | 2/3/4/5, B/D/N/Q/R, LIRR | Major Brooklyn interchange |
| Jay St–MetroTech | A/C/F/R | Downtown Brooklyn |
If an item asks for no transfer, cross out any option that names two different trunk letters (for example, "take the A, then transfer to the 6") unless the stem allows it.
Officer-Relevant Routing Logic
On patrol, subway knowledge supports:
- Meeting a complainant at a named station
- Pursuit coordination when a suspect enters a specific line
- Backup requests at platform level (Lexington vs. Eighth Avenue makes a difference on the East vs. West Side)
Exam writers reward line ownership of stations. Grand Central is Lexington (4/5/6). Times Square is a multi-line mess, but the E from Queens terminates there. Union Square is Lexington plus L and Broadway trains.
Step-by-Step Method for Subway Items
- Locate both stations — borough and cross street if given.
- List which trains stop at both — use trunk line table.
- Apply the question constraint — direct, fastest, or fewest transfers.
- Eliminate traps — G to Manhattan, L to Grand Central, shuttle-only answers for long distances.
Common Traps
- Picking the 7 train for an East Side north–south trip that the 4/5/6 serves directly
- Choosing G for any Brooklyn–Manhattan trip (G never enters Manhattan)
- Naming Times Square shuttle (S) for Jamaica to midtown (shuttle is 42nd St local only)
- Suggesting L train for Union Square to Grand Central (L is crosstown at 14th Street)
- Ignoring "direct" and offering a valid but two-seat ride
Practice Scenario
A complainant is at 14th Street–Union Square and needs Grand Central–42nd Street for a witness interview. Which line gets there directly with no transfer?
Both stations are on the Lexington Avenue line. The correct choice is the 4, 5, or 6 train. Any answer involving the A/C/E or a transfer to the 7 is wrong for a direct-travel question.
Study Routine
- Memorize one OD pair per trunk line (table above).
- On a blank map, mark Union Sq, Grand Central, Times Sq, Atlantic Ave, Jay St.
- For each practice question, write the trunk line before reading options.
- Review MTA line letters in pairs: 4/5/6, 1/2/3, A/C/E, N/Q/R/W.
Final Check
Recite from memory: Which trains run Union Square to Grand Central direct? Which single line runs Jamaica Center to Times Square? Which trains link Atlantic Ave–Barclays and Jay St–MetroTech in Brooklyn? Which line never enters Manhattan? Answers: 4/5/6; E; A/C/F/R; G.
A complainant is at 14th Street–Union Square and must reach Grand Central–42nd Street with no transfer. Which train should they take?
You need the fastest single-line ride from Jamaica Center in Queens to Times Square in Manhattan. Which train is correct?
You must travel from Atlantic Avenue–Barclays Center to Jay Street–MetroTech, both in downtown Brooklyn. Which group of trains serves this corridor directly?