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18xx Rules Difference List
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This is a much-argued point, so references are included. A general principle of all 18xx games is that an upgrade may never destroy existing track. This is to be assumed in everything written below.
There are three common forms of the rule on this:
1800 Semi-restrictive.
1824 Permissive.
1825 Restrictive. In addition, a city may only be upgraded if reachable from one of
the laying company's station-markers by 'one of the Company's existing Trains' which
presumably excludes double-heading (rule 4.3.2).
1825 with survey parties As for 1825 without them (rule 6.6).
1826 Semi-restrictive.
1827 Jr. Permissive (personal communication to Nick Wedd from Vellani).
1829 The upgrading company must have moved a Survey Party, and the upgraded hex
must be free of Survey Parties (rule 43).
1829 Mainline Restrictive. In addition, a city may only be upgraded if
reachable from one of the laying company's station-markers by one of the company's
existing trains.
1830 Rule 18.1 says permissive. However it is possible to read the restrictions of
rule 18.0 as applying to rule 18.1, making the result restrictive. A clarification from
Avalon Hill says that the 1830 rule is semi-restrictive. Their own computer version is
permissive.
1830BC, 2038 Not applicable.
1831 Permissive (rule 5.2.6.5).
1832 Semi-restrictive.
1835 Restrictive (German rule VII.1). But the author's intention was permissive,
and another German ruleset exists. An English translation says permissive (rules
3.1.12-3.1.20).
1837 According to the printed rules, restrictive (rule VI.1). This means that
certain tiles can never be laid, and is a mistake. The designer Leonhard Orgler has stated
(personal communication to Steve Thomas) that it should be semi-restrictive.
1837SX Semi-restrictive, but there is no requirement for a city value to
change.
1838 Rheinland Semi-restrictive.
1841 The original rules were restrictive (rules 4.1.1, 4.1.2). As for 1837, a
subsequent clarification from the author states that it should be semi-restrictive.
1842 Restrictive (rule 6.2.3). (Note also rule 6.2.2 restricting upgrades to both
coastal and inland cities.)
1844 Permissive (rule XV, bullet-point 7).
1846 Semi-restrictive.
1848 Permissive.
1849v1&3 Restrictive (rule 4.1).
1849v4 Semi-restrictive (rule 4.1).
1850 Semi-restrictive, except that the value of a town or city need not
change.
1853 Permissive; but upgrades only allowed on the company's 'patch'.
1851, 1856 Semi-restrictive (page 16).
1854 Semi-restrictive (rule 5.4).
1860 Semi-restrictive.
1861 Restrictive for track tiles, for city upgrades, some track (old or
new) must be part of a route for the company.
1862 Permissive.
1870 Semi-restrictive (page 20).
1876v2 Permissive ('.. use the 1830 rulebook').
1889 Permissive.
1895 Permissive.
1898 Permissive (final sentence of section 'Lay or Upgrade Track').
18C2C Semi-restrictive (last but one paragraph of section 4.7.1).
18EC Semi-restrictive.
18EU Permissive.
18FL Semi-restrictive.
18GA A clarification dated 25th June 1998 said restrictive; a later one said
semi-restrictive. John David Galt confirmed (28th January 2003) '18AL/GA are actually
semi-restrictive'.
18GL Semi-restrictive.
18Mex Semi-restrictive, but there is no requirement for a city value to
change.
18MW Permissive.
18NL Permissive.
18Rhl Rhineland Semi-restrictive.
18Scan Semi-restrictive.
18TN Semi-restrictive.
18US Semi-restrictive.
18VA Semi-restrictive.
18West Semi-restrictive.
Crisis Permissive.
Steam Over Holland Permissive.
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© Keith Thomasson February 12th 2008 |