diff --git a/src/main/java/fr/u_paris/gla/project/io/NetworkFormat.java b/src/main/java/fr/u_paris/gla/project/io/NetworkFormat.java
index ff95c99..0113744 100644
--- a/src/main/java/fr/u_paris/gla/project/io/NetworkFormat.java
+++ b/src/main/java/fr/u_paris/gla/project/io/NetworkFormat.java
@@ -33,10 +33,10 @@ public final class NetworkFormat {
 
     private static final DateTimeFormatter DURATION_FORMATTER         = DateTimeFormatter
             .ofPattern("HH:mm:ss");
-    private static final NumberFormat      DURATION_SECONDS_FORMATTER = NumberFormat
+    private static final NumberFormat DURATION_INDIVIDUAL_FORMATTER = NumberFormat
             .getIntegerInstance(Locale.ENGLISH);
     static {
-        DURATION_SECONDS_FORMATTER.setMinimumIntegerDigits(2);
+        DURATION_INDIVIDUAL_FORMATTER.setMinimumIntegerDigits(2);
     }
     private static final Temporal ZERO = LocalTime.parse("00:00:00");
 
@@ -51,8 +51,8 @@ public final class NetworkFormat {
     }
 
     public static String formatDuration(Duration duration) {
-        return Long.toString(duration.toMinutes()) + ":"
-                + DURATION_SECONDS_FORMATTER.format(duration.toSecondsPart());
+        return DURATION_INDIVIDUAL_FORMATTER.format(duration.toMinutes()) + ":"
+                + DURATION_INDIVIDUAL_FORMATTER.format(duration.toSecondsPart());
     }
 
     /** Get a formatter for the numbers in a GPS coordinate pair
diff --git a/src/main/java/fr/u_paris/gla/project/io/ScheduleFormat.java b/src/main/java/fr/u_paris/gla/project/io/ScheduleFormat.java
index fc4d4ba..8a86594 100644
--- a/src/main/java/fr/u_paris/gla/project/io/ScheduleFormat.java
+++ b/src/main/java/fr/u_paris/gla/project/io/ScheduleFormat.java
@@ -5,6 +5,7 @@ package fr.u_paris.gla.project.io;
 
 import java.time.format.DateTimeFormatter;
 import java.time.format.ResolverStyle;
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -32,10 +33,13 @@ public final class ScheduleFormat {
      * @return the sequence of branching
      */
     public static List<Integer> getTripSequence(String representation) {
-        // TODO Read a trip sequence from a string
 
-        throw new RuntimeException("Not implemented yet");
-    }
+        List<Integer> l = new ArrayList<>();
+        for(String s :  representation.split(","))
+            l.add(Integer.parseInt(s));
+        return l;
+        }
+
 
     public static DateTimeFormatter getTimeFormatter() {
         return DateTimeFormatter.ofPattern("HH:mm").withResolverStyle(ResolverStyle.LENIENT);
diff --git a/src/test/java/fr/u_paris/gla/project/io/ScheduleFormatTest.java b/src/test/java/fr/u_paris/gla/project/io/ScheduleFormatTest.java
index 4b0f749..f9eae35 100644
--- a/src/test/java/fr/u_paris/gla/project/io/ScheduleFormatTest.java
+++ b/src/test/java/fr/u_paris/gla/project/io/ScheduleFormatTest.java
@@ -13,8 +13,8 @@ import static org.junit.jupiter.api.Assertions.*;
 class ScheduleFormatTest {
 
     @Test
-    void getTripSequence() {
-        String rpz = "4, 5, 19, 21";
+    public void getTripSequence() {
+        String rpz = "4,5,19,21";
         List<Integer> test = Arrays.asList(4, 5, 19, 21);
 
         assertEquals(test, ScheduleFormat.getTripSequence(rpz));