diff --git a/data/sample_parking/landmarks.txt b/data/sample_parking/landmarks.txt
index 21a000430892046ddd9227f33244304acfcc49fe..a9a3babf6052eca8ed669797921cc653b603161d 100644
--- a/data/sample_parking/landmarks.txt
+++ b/data/sample_parking/landmarks.txt
@@ -38,16 +38,16 @@
 138.000000 8.923837 5.473837 -0.785398 2
 139.000000 8.923837 2.526163 -2.356194 2
 140.000000 8.923837 2.473837 -0.785398 2
-1001.000000 0.000000 -0.500000 -1.570796 0
-1031.000000 8.500000 1.500000 0.000000 0
-1032.000000 7.500000 6.600000 -3.141593 0
-1033.000000 7.500000 4.000000 0.000000 0
-1081.000000 -1.500000 6.500000 -3.141587 0
-1082.000000 -0.500000 1.500000 -0.000000 0
-1101.000000 4.000000 4.200000 0.000000 0
-1102.000000 4.000000 7.000000 0.000000 0
-1103.000000 3.000000 1.000000 -3.141593 0
-1104.000000 4.000000 1.500000 0.000000 0
-1105.000000 3.000000 6.500000 -3.141593 0
-1106.000000 4.000000 5.800000 -3.141593 0
-1111.000000 2.600000 -0.500000 1.570796 0
+1001.000000 0.000000 -0.600000 -1.570796 0
+1031.000000 8.600000 1.500000 0.000000 0
+1032.000000 7.400000 6.600000 -3.141593 0
+1033.000000 7.400000 4.000000 0.000000 0
+1081.000000 -1.600000 6.500000 -3.141587 0
+1082.000000 -0.400000 1.500000 -0.000000 0
+1101.000000 4.100000 4.200000 0.000000 0
+1102.000000 4.100000 7.000000 0.000000 0
+1103.000000 2.900000 1.000000 -3.141593 0
+1104.000000 4.100000 1.500000 0.000000 0
+1105.000000 2.900000 6.500000 -3.141593 0
+1106.000000 4.100000 5.800000 -3.141593 0
+1111.000000 2.600000 -0.600000 1.570796 0
diff --git a/data/sample_parking/sample_parking.xodr b/data/sample_parking/sample_parking.xodr
index 8d2a1f60165e365adbcfcf5a96d981966d4c6279..cc11f56b109bcdec03d09985cb3b502c7d4e8cf0 100644
--- a/data/sample_parking/sample_parking.xodr
+++ b/data/sample_parking/sample_parking.xodr
@@ -64,7 +64,7 @@
             </object>
         </objects>
         <signals>
-            <signal s="0.0000000000000000e+00" t="-5.0000000000000000e+00" id="1001" name="parking0_1" dynamic="no" orientation="-" zOffset="0.0000000000000000e+00" country="DEU" type="314" subtype="-1" value="0.0000000000000000e+00" />
+            <signal s="0.0000000000000000e+00" t="-6.0000000000000000e+00" id="1001" name="parking0_1" dynamic="no" orientation="-" zOffset="0.0000000000000000e+00" country="DEU" type="314" subtype="-1" value="0.0000000000000000e+00" />
             <signal s="1.2500000000000000e+01" t="1.0000000000000000e+01" id="101" name="locsign1" dynamic="no" orientation="+" zOffset="0.0000000000000000e+00" country="DEU" type="" subtype="-1" value="0.0000000000000000e+00" />
             <signal s="1.2500000000000000e+01" t="-9.5000000000000000e+00" id="113" name="locsign13" dynamic="no" orientation="-" zOffset="0.0000000000000000e+00" country="DEU" type="" subtype="-1" value="0.0000000000000000e+00" />
         </signals>
@@ -224,9 +224,9 @@
             </object>
         </objects>
         <signals>
-            <signal s="5.0000000000000000e+00" t="-5.0000000000000000e+00" id="1031" name="max50_3_1" dynamic="no" orientation="-" zOffset="0.0000000000000000e+00" country="DEU" type="274" subtype="-1" value="5.0000000000000000e+01" />
-            <signal s="5.6000000000000000e+01" t="5.0000000000000000e+00" id="1032" name="parking_3_1" dynamic="no" orientation="+" zOffset="0.0000000000000000e+00" country="DEU" type="314" subtype="-1" value="5.0000000000000000e+01" />
-            <signal s="3.0000000000000000e+01" t="5.0000000000000000e+00" id="1033" name="parking_3_2" dynamic="no" orientation="-" zOffset="0.0000000000000000e+00" country="DEU" type="314" subtype="-1" value="5.0000000000000000e+01" />
+            <signal s="5.0000000000000000e+00" t="-6.0000000000000000e+00" id="1031" name="max50_3_1" dynamic="no" orientation="-" zOffset="0.0000000000000000e+00" country="DEU" type="274" subtype="-1" value="5.0000000000000000e+01" />
+            <signal s="5.6000000000000000e+01" t="6.0000000000000000e+00" id="1032" name="parking_3_1" dynamic="no" orientation="+" zOffset="0.0000000000000000e+00" country="DEU" type="314" subtype="-1" value="5.0000000000000000e+01" />
+            <signal s="3.0000000000000000e+01" t="6.0000000000000000e+00" id="1033" name="parking_3_2" dynamic="no" orientation="-" zOffset="0.0000000000000000e+00" country="DEU" type="314" subtype="-1" value="5.0000000000000000e+01" />
             <signal s="1.5000000000000000e+01" t="1.0000000000000000e+01" id="110" name="locsign10" dynamic="no" orientation="+" zOffset="0.0000000000000000e+00" country="DEU" type="" subtype="-1" value="5.0000000000000000e+01" />
             <signal s="1.5000000000000000e+01" t="-9.5000000000000000e+00" id="120" name="locsign20" dynamic="no" orientation="-" zOffset="0.0000000000000000e+00" country="DEU" type="" subtype="-1" value="5.0000000000000000e+01" />
             <signal s="4.5000000000000000e+01" t="-9.5000000000000000e+00" id="119" name="locsign19" dynamic="no" orientation="-" zOffset="0.0000000000000000e+00" country="DEU" type="" subtype="-1" value="5.0000000000000000e+01" />
@@ -461,8 +461,8 @@
             <object s="3.0000000000000000e+01" t="-1.2000000000000000e+01" id="perimeter3" name="perimeter3" dynamic="no" orientation="none" zOffset="2.5000000000000000e+00" validLength="0.0000000000000000e+00" type="none" hdg="0.0000000000000000e+00" pitch="0.0000000000000000e+00" roll="0.0000000000000000e+00" length="5.0000000000000000e+00" width="1.0000000000000000e+02" height="5.0000000000000000e+00" />
         </objects>
         <signals>
-            <signal s="5.0000000000000000e+00" t="-5.0000000000000000e+00" id="1081" name="max50_8_1" dynamic="no" orientation="-" zOffset="0.0000000000000000e+00" country="DEU" type="274" subtype="-1" value="5.0000000000000000e+01" />
-            <signal s="5.5000000000000000e+01" t="5.0000000000000000e+00" id="1082" name="max50_7_2" dynamic="no" orientation="+" zOffset="0.0000000000000000e+00" country="DEU" type="274" subtype="-1" value="5.0000000000000000e+01" />
+            <signal s="5.0000000000000000e+00" t="-6.0000000000000000e+00" id="1081" name="max50_8_1" dynamic="no" orientation="-" zOffset="0.0000000000000000e+00" country="DEU" type="274" subtype="-1" value="5.0000000000000000e+01" />
+            <signal s="5.5000000000000000e+01" t="6.0000000000000000e+00" id="1082" name="max50_7_2" dynamic="no" orientation="+" zOffset="0.0000000000000000e+00" country="DEU" type="274" subtype="-1" value="5.0000000000000000e+01" />
             <signal s="1.5000000000000000e+01" t="1.0000000000000000e+01" id="103" name="locsign3" dynamic="no" orientation="+" zOffset="0.0000000000000000e+00" country="DEU" type="" subtype="-1" value="0.0000000000000000e+00" />
             <signal s="1.5000000000000000e+01" t="-9.5000000000000000e+00" id="115" name="locsign15" dynamic="no" orientation="-" zOffset="0.0000000000000000e+00" country="DEU" type="" subtype="-1" value="0.0000000000000000e+00" />
             <signal s="4.5000000000000000e+01" t="-9.5000000000000000e+00" id="114" name="locsign14" dynamic="no" orientation="-" zOffset="0.0000000000000000e+00" country="DEU" type="" subtype="-1" value="0.0000000000000000e+00" />
@@ -580,12 +580,12 @@
             </object>
         </objects>
         <signals>
-            <signal s="3.2000000000000000e+01" t="-5.0000000000000000e+00" id="1101" name="parking_10_1" dynamic="no" orientation="-" zOffset="0.0000000000000000e+00" country="DEU" type="314" subtype="-1" value="0.0000000000000000e+00" />
-            <signal s="6.0000000000000000e+01" t="-5.0000000000000000e+00" id="1102" name="giveway_10_1" dynamic="no" orientation="-" zOffset="0.0000000000000000e+00" country="DEU" type="205" subtype="-1" value="0.0000000000000000e+00" />
-            <signal s="0.0000000000000000e+00" t="5.0000000000000000e+00" id="1103" name="giveway_10_2" dynamic="no" orientation="+" zOffset="0.0000000000000000e+00" country="DEU" type="205" subtype="-1" value="0.0000000000000000e+00" />
-            <signal s="5.0000000000000000e+00" t="-5.0000000000000000e+00" id="1104" name="max50_10_1" dynamic="no" orientation="-" zOffset="0.0000000000000000e+00" country="DEU" type="274" subtype="-1" value="5.0000000000000000e+01" />
-            <signal s="5.5000000000000000e+01" t="5.0000000000000000e+00" id="1105" name="max50_10_2" dynamic="no" orientation="+" zOffset="0.0000000000000000e+00" country="DEU" type="274" subtype="-1" value="5.0000000000000000e+01" />
-            <signal s="4.8000000000000000e+01" t="-5.0000000000000000e+00" id="1106" name="parking_10_2" dynamic="no" orientation="+" zOffset="0.0000000000000000e+00" country="DEU" type="314" subtype="-1" value="5.0000000000000000e+01" />
+            <signal s="3.2000000000000000e+01" t="-6.0000000000000000e+00" id="1101" name="parking_10_1" dynamic="no" orientation="-" zOffset="0.0000000000000000e+00" country="DEU" type="314" subtype="-1" value="0.0000000000000000e+00" />
+            <signal s="6.0000000000000000e+01" t="-6.0000000000000000e+00" id="1102" name="giveway_10_1" dynamic="no" orientation="-" zOffset="0.0000000000000000e+00" country="DEU" type="205" subtype="-1" value="0.0000000000000000e+00" />
+            <signal s="0.0000000000000000e+00" t="6.0000000000000000e+00" id="1103" name="giveway_10_2" dynamic="no" orientation="+" zOffset="0.0000000000000000e+00" country="DEU" type="205" subtype="-1" value="0.0000000000000000e+00" />
+            <signal s="5.0000000000000000e+00" t="-6.0000000000000000e+00" id="1104" name="max50_10_1" dynamic="no" orientation="-" zOffset="0.0000000000000000e+00" country="DEU" type="274" subtype="-1" value="5.0000000000000000e+01" />
+            <signal s="5.5000000000000000e+01" t="6.0000000000000000e+00" id="1105" name="max50_10_2" dynamic="no" orientation="+" zOffset="0.0000000000000000e+00" country="DEU" type="274" subtype="-1" value="5.0000000000000000e+01" />
+            <signal s="4.8000000000000000e+01" t="-6.0000000000000000e+00" id="1106" name="parking_10_2" dynamic="no" orientation="+" zOffset="0.0000000000000000e+00" country="DEU" type="314" subtype="-1" value="5.0000000000000000e+01" />
             <signal s="1.5000000000000000e+01" t="1.0000000000000000e+01" id="106" name="locsign6" dynamic="no" orientation="+" zOffset="0.0000000000000000e+00" country="DEU" type="" subtype="-1" value="0.0000000000000000e+00" />
             <signal s="1.5000000000000000e+01" t="-1.0000000000000000e+01" id="108" name="locsign8" dynamic="no" orientation="-" zOffset="0.0000000000000000e+00" country="DEU" type="" subtype="-1" value="0.0000000000000000e+00" />
             <signal s="4.5000000000000000e+01" t="1.0000000000000000e+01" id="105" name="locsign5" dynamic="no" orientation="+" zOffset="0.0000000000000000e+00" country="DEU" type="" subtype="-1" value="0.0000000000000000e+00" />
@@ -625,7 +625,7 @@
             <object s="1.0000000000000000e+01" t="-1.2000000000000000e+01" id="perimeter0" name="perimeter0" dynamic="no" orientation="none" zOffset="2.5000000000000000e+00" validLength="0.0000000000000000e+00" type="building" hdg="0.0000000000000000e+00" pitch="0.0000000000000000e+00" roll="0.0000000000000000e+00" length="5.0000000000000000e+00" width="1.2000000000000000e+02" height="5.0000000000000000e+00" />
         </objects>
         <signals>
-            <signal s="1.0000000000000000e+00" t="-5.0000000000000000e+00" id="1111" name="parking_11_1" dynamic="no" orientation="+" zOffset="0.0000000000000000e+00" country="DEU" type="314" subtype="-1" value="0.0000000000000000e+00" />
+            <signal s="1.0000000000000000e+00" t="-6.0000000000000000e+00" id="1111" name="parking_11_1" dynamic="no" orientation="+" zOffset="0.0000000000000000e+00" country="DEU" type="314" subtype="-1" value="0.0000000000000000e+00" />
             <signal s="1.0000000000000000e+01" t="-9.5000000000000000e+00" id="112" name="locsign12" dynamic="no" orientation="-" zOffset="0.0000000000000000e+00" country="DEU" type="" subtype="-1" value="0.0000000000000000e+00" />
         </signals>
     </road>