| Name | Data Type | Definition | |
|---|---|---|---|
| nilReason | NilReasonEnumeration | ||
| UNDERPASS | string | The current element is in a tunnel below another element. | Inherited from CodeGradeSeparationBaseType |
| OVERPASS | string | The current element is on a bridge above another element. | Inherited from CodeGradeSeparationBaseType |
| OTHER | string | Other. | Inherited from CodeGradeSeparationBaseType |