diff --git a/src/osm/jp/coverage/busstop/ToCartoCSV.java b/src/osm/jp/coverage/busstop/ToCartoCSV.java
index 099f3bc..5ff07ab 100644
--- a/src/osm/jp/coverage/busstop/ToCartoCSV.java
+++ b/src/osm/jp/coverage/busstop/ToCartoCSV.java
@@ -2,15 +2,11 @@
 
 import java.io.BufferedWriter;
 import java.io.File;
-import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
-import java.io.IOException;
 import java.io.OutputStreamWriter;
-import java.io.UnsupportedEncodingException;
 import java.sql.Connection;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
-import java.sql.SQLException;
 
 import jp.co.areaweb.tools.database.DatabaseTool;
 
@@ -27,88 +23,40 @@
  *
  */
 public class ToCartoCSV {
-    public static final String CSV_FILE_NAME = "busstop";
-    public static boolean NAGOYA_MODE = false;
-    BufferedWriter ow = null;
-    BufferedWriter ow0 = null;
-    BufferedWriter ow1 = null;
-    BufferedWriter ow2 = null;
+    public static final String CSV_FILE_NAME = "busstop.carto.csv";
 
     public static void main (String[] argv) {
         try {
-            ToCartoCSV obj = new ToCartoCSV(new File("."));
-            obj.outputDb(DatabaseTool.openDb("postgis"));
+            outputDb();
         } catch (Exception e) {
             e.printStackTrace();
         }
     }
 
-    public ToCartoCSV(File dir) throws UnsupportedEncodingException, FileNotFoundException {
-        File csvFile = new File(dir, CSV_FILE_NAME+".csv");
-        File csv0File = new File(dir, CSV_FILE_NAME+"0.csv");
-        File csv1File = new File(dir, CSV_FILE_NAME+"1.csv");
-        File csv2File = new File(dir, CSV_FILE_NAME+"2.csv");
-        this.ow = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(csvFile), "UTF-8"));
-        this.ow0 = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(csv0File), "UTF-8"));
-        this.ow1 = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(csv1File), "UTF-8"));
-        this.ow2 = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(csv2File), "UTF-8"));
-    }
-
-    public void setNagoyaMode(boolean mode) {
-        ToCartoCSV.NAGOYA_MODE = mode;
-    }
-
-    public boolean isNagoyaMode() {
-        return ToCartoCSV.NAGOYA_MODE;
-    }
-	
-    public int outputDb(Connection con) throws IOException, SQLException {
-        int counter = 0;
-
-        // CSV header
-        System.out.println("name,score,lon,lat");
-        this.ow.write("name,score,lon,lat");
-        this.ow0.write("name,score,lon,lat");
-        this.ow1.write("name,score,lon,lat");
-        this.ow2.write("name,score,lon,lat");
-        this.ow.newLine();
-        this.ow0.newLine();
-        this.ow1.newLine();
-        this.ow2.newLine();
-
-        PreparedStatement ps8 = con.prepareStatement("SELECT name,ST_X(ST_TRANSFORM(geom,4612)) as lon, ST_Y(ST_TRANSFORM(geom,4612)) as lat,fixed FROM t_busstop");
-        try (ResultSet rset8 = ps8.executeQuery()) {
-            while (rset8.next()) {
-                String name = rset8.getString("name");
-                Double lat = rset8.getDouble("lat");
-                Double lon = rset8.getDouble("lon");
-                int score = rset8.getInt("fixed");
-                
-                counter++;
-                String osm_node;
-                osm_node = "\""+ escapeStr(name) +"\",\""+ score +"\",\""+ Double.toString(lon) +"\",\""+ Double.toString(lat) +"\"";
-                System.out.println(osm_node);
-                this.ow.write(osm_node);
-                this.ow.newLine();
-                if (score == 0) {
-                    this.ow0.write(osm_node);
-                    this.ow0.newLine();
-                }
-                else if (score < 100) {
-                    this.ow1.write(osm_node);
-                    this.ow1.newLine();
-                }
-                else {
-                    this.ow2.write(osm_node);
-                    this.ow2.newLine();
+    public static void outputDb() throws Exception {
+        File csvFile = new File(CSV_FILE_NAME);
+        try (BufferedWriter ow = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(csvFile), "UTF-8"))) {
+            Connection con = DatabaseTool.openDb("postgis");
+            // CSV header
+            System.out.println("name,score,lon,lat");
+            ow.write("name,score,lon,lat");
+            PreparedStatement ps8 = con.prepareStatement("SELECT name,ST_X(ST_TRANSFORM(geom,4612)) as lon, ST_Y(ST_TRANSFORM(geom,4612)) as lat,fixed FROM t_busstop");
+            try (ResultSet rset8 = ps8.executeQuery()) {
+                while (rset8.next()) {
+                    String name = rset8.getString("name");
+                    Double lat = rset8.getDouble("lat");
+                    Double lon = rset8.getDouble("lon");
+                    int score = rset8.getInt("fixed");
+                    
+                    String osm_node;
+                    osm_node = "\""+ escapeStr(name) +"\",\""+ score +"\",\""+ Double.toString(lon) +"\",\""+ Double.toString(lat) +"\"";
+                    System.out.println(osm_node);
+                    ow.write(osm_node);
+                    ow.newLine();
                 }
             }
+            ow.flush();
         }
-        this.ow.flush();
-        this.ow0.flush();
-        this.ow1.flush();
-        this.ow2.flush();
-        return counter;
     }
     
     /**
@@ -117,15 +65,7 @@
      * @param name
      * @return
      */
-    public String escapeStr(String name) {
+    public static String escapeStr(String name) {
     	return ((name == null) ? "" : name.replaceAll("'", "''"));
     }
-    
-    public void close() {
-    	try {
-            this.ow.close();
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-    }
 }