Chapter 241: No-engine tracks and sealed blocks
Twenty yards of no-engine tracks and sealed blocks
A track behind a derail is closed to the locomotive. Cars can only be kicked or humped into it and never pulled back out, so each one has to arrive in order.
Sealed blocks are two or three cars coupled as a unit. A pull or shove that would cut between them is refused, and a block is never humped or kicked.
20 yards, pars from 4 to 11 moves. Beside its theme, chapter 241 draws on the helper, placard spacing and placards, with two breathers of plain sorting and extra cars. Difficulty runs as a sawtooth: runs of easy yards, a spike, a breather.
The yards
| # | Yard | Par | The job |
|---|---|---|---|
| 1 | Yard 241.1 | 5 | Albany on 1, Boston on 2, Erie on 3, Dover on 4. Watch for a hump yard, a track closed to the engine. |
| 2 | Yard 241.2 | 10 | Dover on 1, Erie on 2, Concord on 3, Albany on 4. Watch for a helper on the far lead. |
| 3 | Yard 241.3 | 6 | Boston on 1, Erie on 2, Concord on 3, Albany on 4. Watch for a hump yard, a track closed to the engine. |
| 4 | Yard 241.4 | 5 | The outbound Dover, Albany, Albany, Dover, Dover on Track 1, Concord on 2, Boston on 3, Erie on 4. |
| 5 | Yard 241.5 | 5 | Dover on 1, Erie on 2, Boston on 3, Concord on 4. Watch for a hump yard, a track closed to the engine. |
| 6 | Yard 241.6 | 4 | The outbound Albany, Erie, Albany, Albany, Erie on Track 1, Boston on 2, Concord on 3, Dover on 4. |
| 7 | Yard 241.7 | 8 | Concord on 1, Albany on 2, Erie on 3, Boston on 4. Watch for a hump yard, a track closed to the engine. |
| 8 | Yard 241.8 | 8 | Dover on 1, Concord on 2, Erie on 3, Boston on 4. Watch for a helper on the far lead. |
| 9 | Yard 241.9 | 4 | Erie on 1, Concord on 2, Dover on 3, Boston on 4. Watch for a hump yard, a track closed to the engine. |
| 10 | Yard 241.10 | 7 | Albany on 1, Erie on 2, Concord on 3, Dover on 4. |
| 11 | Yard 241.11 | 6 | The outbound Erie, Boston, Boston, Boston, Boston on Track 1, Dover on 2, Concord on 3, Albany on 4. Watch for a hump yard, a track closed to the engine. |
| 12 | Yard 241.12 | 4 | The outbound Albany, Erie, Albany on Track 1, Concord on 2, Dover on 3, Boston on 4. |
| 13 | Yard 241.13 | 11 | Erie on 1, Boston on 2, Concord on 3, Dover on 4. Watch for a hump yard, a helper on the far lead, a track closed to the engine. |
| 14 | Yard 241.14 | 7 | Erie on 1, Boston on 2, Albany on 3, Concord on 4. |
| 15 | Yard 241.15 | 5 | The outbound Concord, Concord, Dover, Concord on Track 1, Boston on 2, Albany on 3, Erie on 4. Watch for a hump yard, a track closed to the engine. |
| 16 | Yard 241.16 | 8 | The outbound Albany, Albany, Albany, Concord, Concord on Track 1, Boston on 2, Dover on 3, Erie on 4. |
| 17 | Yard 241.17 | 10 | Albany on 1, Boston on 2, Concord on 3, Dover on 4. Watch for a hump yard, a track closed to the engine. |
| 18 | Yard 241.18 | 4 | The outbound Boston, Boston, Boston, Boston, Erie on Track 1, Concord on 2, Dover on 3, Albany on 4. |
| 19 | Yard 241.19 | 5 | The outbound Albany, Concord, Albany, Albany on Track 1, Boston on 2, Dover on 3, Erie on 4. Watch for a hump yard, a track closed to the engine. |
| 20 | Yard 241.20 | 7 | Albany on 1, Boston on 2, Erie on 3, Dover on 4. Watch for a hump yard, a helper on the far lead, a track closed to the engine. |
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