--- a/src/newgrf_engine.cpp
+++ b/src/newgrf_engine.cpp
@@ -5,6 +5,7 @@
 #include "stdafx.h"
 #include "debug.h"
 #include "train.h"
+#include "roadveh.h"
 #include "company_func.h"
 #include "newgrf_engine.h"
 #include "newgrf_spritegroup.h"
@@ -435,7 +436,7 @@
 	} else if (v->type == VEH_TRAIN) {
 		l = GetEngineLivery(v->engine_type, v->owner, v->u.rail.first_engine, v);
 	} else if (v->type == VEH_ROAD) {
-		l = GetEngineLivery(v->engine_type, v->owner, v->u.road.first_engine, v);
+		l = GetEngineLivery(v->engine_type, v->owner, ((RoadVehicle *)v)->first_engine, v);
 	} else {
 		l = GetEngineLivery(v->engine_type, v->owner, INVALID_ENGINE, v);
 	}
@@ -780,17 +781,18 @@
 			}
 			break;
 
-		case VEH_ROAD:
+		case VEH_ROAD: {
+			RoadVehicle *rv = (RoadVehicle *)v;
 			switch (variable - 0x80) {
-				case 0x62: return v->u.road.state;
-				case 0x64: return v->u.road.blocked_ctr;
-				case 0x65: return GB(v->u.road.blocked_ctr, 8, 8);
-				case 0x66: return v->u.road.overtaking;
-				case 0x67: return v->u.road.overtaking_ctr;
-				case 0x68: return v->u.road.crashed_ctr;
-				case 0x69: return GB(v->u.road.crashed_ctr, 8, 8);
+				case 0x62: return rv->state;
+				case 0x64: return rv->blocked_ctr;
+				case 0x65: return GB(rv->blocked_ctr, 8, 8);
+				case 0x66: return rv->overtaking;
+				case 0x67: return rv->overtaking_ctr;
+				case 0x68: return rv->crashed_ctr;
+				case 0x69: return GB(rv->crashed_ctr, 8, 8);
 			}
-			break;
+		} break;
 
 		case VEH_AIRCRAFT: {
 			Aircraft *a = (Aircraft *)v;
@@ -885,7 +887,7 @@
 			group = use_cache ? v->u.rail.cached_override : GetWagonOverrideSpriteSet(v->engine_type, v->cargo_type, v->u.rail.first_engine);
 			if (group != NULL) return group;
 		} else if (v->type == VEH_ROAD) {
-			group = GetWagonOverrideSpriteSet(v->engine_type, v->cargo_type, v->u.road.first_engine);
+			group = GetWagonOverrideSpriteSet(v->engine_type, v->cargo_type, ((RoadVehicle *)v)->first_engine);
 			if (group != NULL) return group;
 		}
 	}