function Utils::AreOtherStationsNearby(tile, cargoClass, stationId) {
    local stationType = cargoClass == AICargo.CC_PASSENGERS ? AIStation.STATION_BUS_STOP : AIStation.STATION_TRUCK_STOP;
	
    //check if there are other stations squareSize squares nearby
    local squareSize = AIStation.GetCoverageRadius(stationType);
	if (stationId == null) {
	    squareSize = squareSize * 2;
	}

	local square = AITileList();
    if(!AIController.GetSetting("is_friendly")) {
        //dont care about enemy stations when is_friendly is off
        square.AddRectangle(Utils.getValidOffsetTile(tile, (-1) * squareSize, (-1) * squareSize),
            Utils.getValidOffsetTile(tile, squareSize, squareSize));

        //if another road station of mine is nearby return true
        for(local tile = square.Begin(); square.HasNext(); tile = square.Next()) {
            if(Utils.isTileMyRoadStation(tile, cargoClass)) { //negate second expression to merge your stations
                return true;
        	}
        }
    }
	else {
        square.AddRectangle(Utils.getValidOffsetTile(tile, (-1) * squareSize, (-1) * squareSize),
            Utils.getValidOffsetTile(tile, squareSize, squareSize));

        //if any other station is nearby, except my own airports, return true
        for (local tile = square.Begin(); square.HasNext(); tile = square.Next()) {
            if(AITile.IsStationTile(tile)) {
			    if (AITile.GetOwner(tile) != AICompany.ResolveCompanyID(AICompany.COMPANY_SELF)) {
			        return true;
				} else {
			        local stationTiles = AITileList_StationType(AIStation.GetStationID(tile), stationType);
				    if (stationTiles.HasItem(tile)) {
                        return true;
					}
				}
            }
        }
    }

    if(!((AITile.IsBuildable(tile) || AIRoad.IsRoadTile(tile)) && AITile.GetSlope(tile) == AITile.SLOPE_FLAT)) {
        return true;
	}
	
	return false;
};