Function InitializeRoadGUI

src/road_gui.cpp:1760–1764

* I really don't know why rail_gui.cpp has this too, shouldn't be included in the other one? */

 * I really don't know why rail_gui.cpp has this too, shouldn't be included in the other one?
 */
void InitializeRoadGUI()
{
	BuildRoadToolbarWindow *w = dynamic_cast<BuildRoadToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_ROAD));
	if (w != nullptr) w->ModifyRoadType(_cur_roadtype);
}

DropDownList GetRoadTypeDropDownList(RoadTramTypes rtts, bool for_replacement, bool all_option)
{