Unit Needs Rails

[jbfballrb]

is there a way to force a unit to move only along rails? or maybe rails and roads?

 

[Exel]

Hmm, that'd be interesting for the simulation of railway guns like the ones used in WW1 & 2. I doubt it could be done with XML editing alone though. Need Python or SDK.

 

[Gav]

hmm. in civ 3 this was impossible because of the way it worked with movement cost. i presume then if its the same in civ4 that it would involve editing code rather than values.