This can, for example, be used to introduce a third road with catenary track type when both third road and catenary road types are available.

This limit does not apply when the road type is introduced by the introduction of a vehicle. List of road types on that need to be available to the company of the player for this road type to be introduced at (or after) the introduction date. Introduction required road type list (18) With this property set the road type will be introduced at (or after) this date when all of the introduction required road types are available to the company of the player, or whenever a vehicle using this road type gets introduced whichever is first. This property defines the long date formatted introduction date of this road type. The byte value specifies the colour entry in the DOS palette. This property defines the colour this track type is drawn in the minimap view. This property defines the acceleration model used. There are two kind of default stations (and depots), usually associated with roads and tramways. If no depot sprites are defined, this also defines at the same time the depot sprites to be used. This property defines the default graphics for the stations. The maximum speed for a vehicle in a curve is defined by 'base speed advantage' * (2 + 'property 11').ДЇor the default road types this property is 0 for normal road and 1 for electrified tramway/ However, very sharp turns (values 0 and 1) are not averaged out in longer vehicles. 'Curve length' is the average number of wagons of the vehicle between turns. The base curve speed advantage is given by the multiplication of the value of this property with the base speed advantage - which depends on the curve length in wagons: This property sets the multiplier to the curve speed advantage which all vehicles running on this track type get. vehicles of 'normal tramway'-type are powered on 'electrified tramway'-type as well.ДЇlags to define properties related to the road type: List of road types on which vehicles of this road type are powered. Setting these properties behaves always incremental, so you only need to the set additional bits for each other road type, you cannot remove compatibility/poweredness once it is set (by some other grf). If you want vehicles of other road types to be able to run on your road types, you must set the compatible road types property for each road type. Note that these properties apply to vehicles of this road type, not the road itself. A road type is automatically compatible (and powered) with itself, so you don't need to list the current road type. That is you give the number of compatible road types in a single byte followed by a list of that length of road type labels. List of road types on which vehicles of this road type can run. StringID to use for showing texts of the type 'We have invented a new vehicle'. String ID for road type shown in autoreplace window. String ID for build vehicle window caption. This string must never start with a colour control code. String ID for text in the dropdown of all road types. Later versions of OpenTTD will automatically default to white. OpenTTD before r20342 and 1.0.3 require the string to start with the white control code. String ID of the name of the road type as shown in the toolbar caption. See also Road Type Translation Table for further info.

Road type sets may use up to 16 roadtypes and have to specify their own labels. Reserved labels for default road types are: These are globally unique four-letter identifiers for specific road types (analoguous to cargo labels), used to make various road types accessible from road vehicle grfs. However, no default values should be assumed, as the first road type may have been modified. When a new road type is created, it is populated with the information from the first road type, except that the compatible and powered list contain only the road type being created. If a label 'clashes' with another GRF, then one GRF will end up modifying the properties instead of creating a new road type. This way there is no need for complex GRM mechanisms to allocate IDs. To create a new road type, again just specify its label in property 08. Therefore to modify an existing road type, specify its label in property 08. In NFO, road type IDs will be GRF local, with an ID to label mapping. Introduction required road/tramway type list StringID: Road construction dropdown text Note: This feature is not currently available in Openttd. NewGRF Road Types Specification Action 0 - Properties for road types

Openttd autoreplace