Generic tram set including 5 passenger, 3 mail and 3 goods trams. 5 of the later vehicles are articulated.

Included for download with OpenTTD 0.6.0.

Compatible with OpenTTD 0.6.X and the latest OpenTTD nightlys.
NOT compatible with OpenTTD version 0.5X.
TTDpatch compatibility untested.

Change the base costs of TTD configurable over parameters.
Usage: parameter pairs which the first value is the ID of the cost, the second the factor (default: 8).

http://wiki.ttdpatch.net/tiki-index.php?page=BaseCosts
Formula for factor: NewBaseCost = OldBaseCost * 2^(n-8)