(svn r24332) -Change/Fix [FS#2553]: [NewGRF] Change the length of 8/8 roadvehicles in vehicle lists to 32 pixels; this is in fact the correct length as can be seen in corners for short articulated parts following each other. It also looks fine for most old GRFs, thus there is no need for a switch.

src/newgrf_engine.h

@@ -20,7 +20,7 @@
 #include "gfx_type.h"
 
 static const uint TRAININFO_DEFAULT_VEHICLE_WIDTH   = 29;
-static const uint ROADVEHINFO_DEFAULT_VEHICLE_WIDTH = 28;
+static const uint ROADVEHINFO_DEFAULT_VEHICLE_WIDTH = 32;
 static const uint VEHICLEINFO_FULL_VEHICLE_WIDTH    = 32;
 
 void SetWagonOverrideSprites(EngineID engine, CargoID cargo, const struct SpriteGroup *group, EngineID *train_id, uint trains);