diff --git a/data/sample.xodr b/data/sample.xodr
index e96ca01b2ba38e09deae08c1f25b21853583256a..27ce9c2d2ba2dd6b700624a98aaa2ad6df3ab75e 100644
--- a/data/sample.xodr
+++ b/data/sample.xodr
@@ -21,12 +21,12 @@
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                         <roadMark sOffset="0.0000000000000000e+00" type="solid" weight="standard" color="standard" width="2.9999999999999999e-01" laneChange="both" />
+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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                 </left>
                 <center>
                     <lane id="0" type="driving" level="false">
                         <link />
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@@ -35,6 +35,7 @@
                         <link />
                         <width sOffset="0.0000000000000000e+00" a="4.4000000000000004e+00" b="0.0000000000000000e+00" c="0.0000000000000000e+00" d="0.0000000000000000e+00" />
                         <roadMark sOffset="0.0000000000000000e+00" type="solid" weight="standard" color="standard" width="2.9999999999999999e-01" laneChange="both" />
+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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@@ -65,12 +66,12 @@
                         <link />
                         <width sOffset="0.0000000000000000e+00" a="4.4000000000000004e+00" b="0.0000000000000000e+00" c="0.0000000000000000e+00" d="0.0000000000000000e+00" />
                         <roadMark sOffset="0.0000000000000000e+00" type="solid" weight="standard" color="standard" width="2.9999999999999999e-01" laneChange="both" />
+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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                 </left>
                 <center>
                     <lane id="0" type="driving" level="false">
                         <link />
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                         <roadMark sOffset="0.0000000000000000e+00" type="broken" weight="standard" color="standard" width="2.0000000000000001e-01" laneChange="both" />
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@@ -79,6 +80,7 @@
                         <link />
                         <width sOffset="0.0000000000000000e+00" a="4.4000000000000004e+00" b="0.0000000000000000e+00" c="0.0000000000000000e+00" d="0.0000000000000000e+00" />
                         <roadMark sOffset="0.0000000000000000e+00" type="solid" weight="standard" color="standard" width="2.9999999999999999e-01" laneChange="both" />
+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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@@ -112,12 +114,12 @@
                         <link />
                         <width sOffset="0.0000000000000000e+00" a="4.4000000000000004e+00" b="0.0000000000000000e+00" c="0.0000000000000000e+00" d="0.0000000000000000e+00" />
                         <roadMark sOffset="0.0000000000000000e+00" type="solid" weight="standard" color="standard" width="2.9999999999999999e-01" laneChange="both" />
+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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                 </left>
                 <center>
                     <lane id="0" type="driving" level="false">
                         <link />
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@@ -126,6 +128,7 @@
                         <link />
                         <width sOffset="0.0000000000000000e+00" a="4.4000000000000004e+00" b="0.0000000000000000e+00" c="0.0000000000000000e+00" d="0.0000000000000000e+00" />
                         <roadMark sOffset="0.0000000000000000e+00" type="solid" weight="standard" color="standard" width="2.9999999999999999e-01" laneChange="both" />
+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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@@ -153,12 +156,12 @@
                         <link />
                         <width sOffset="0.0000000000000000e+00" a="4.4000000000000004e+00" b="0.0000000000000000e+00" c="0.0000000000000000e+00" d="0.0000000000000000e+00" />
                         <roadMark sOffset="0.0000000000000000e+00" type="solid" weight="standard" color="standard" width="2.9999999999999999e-01" laneChange="both" />
+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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                 <center>
                     <lane id="0" type="driving" level="false">
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@@ -167,6 +170,7 @@
                         <link />
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                         <roadMark sOffset="0.0000000000000000e+00" type="solid" weight="standard" color="standard" width="2.9999999999999999e-01" laneChange="both" />
+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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@@ -206,12 +210,12 @@
                         <link />
                         <width sOffset="0.0000000000000000e+00" a="4.4000000000000004e+00" b="0.0000000000000000e+00" c="0.0000000000000000e+00" d="0.0000000000000000e+00" />
                         <roadMark sOffset="0.0000000000000000e+00" type="solid" weight="standard" color="standard" width="2.9999999999999999e-01" laneChange="both" />
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                 <center>
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@@ -220,6 +224,7 @@
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                         <roadMark sOffset="0.0000000000000000e+00" type="solid" weight="standard" color="standard" width="2.9999999999999999e-01" laneChange="both" />
+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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                         <roadMark sOffset="0.0000000000000000e+00" type="solid" weight="standard" color="standard" width="2.9999999999999999e-01" laneChange="both" />
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@@ -261,6 +266,7 @@
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                         <roadMark sOffset="0.0000000000000000e+00" type="solid" weight="standard" color="standard" width="2.9999999999999999e-01" laneChange="both" />
+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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@@ -288,12 +294,12 @@
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+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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                 <center>
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@@ -302,6 +308,7 @@
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                         <roadMark sOffset="0.0000000000000000e+00" type="solid" weight="standard" color="standard" width="2.9999999999999999e-01" laneChange="both" />
+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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@@ -335,12 +342,12 @@
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                         <width sOffset="0.0000000000000000e+00" a="4.4000000000000004e+00" b="0.0000000000000000e+00" c="0.0000000000000000e+00" d="0.0000000000000000e+00" />
                         <roadMark sOffset="0.0000000000000000e+00" type="solid" weight="standard" color="standard" width="2.9999999999999999e-01" laneChange="both" />
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@@ -349,6 +356,7 @@
                         <link />
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                         <roadMark sOffset="0.0000000000000000e+00" type="solid" weight="standard" color="standard" width="2.9999999999999999e-01" laneChange="both" />
+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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@@ -376,12 +384,12 @@
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                         <width sOffset="0.0000000000000000e+00" a="4.4000000000000004e+00" b="0.0000000000000000e+00" c="0.0000000000000000e+00" d="0.0000000000000000e+00" />
                         <roadMark sOffset="0.0000000000000000e+00" type="solid" weight="standard" color="standard" width="2.9999999999999999e-01" laneChange="both" />
+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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@@ -390,6 +398,7 @@
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                         <roadMark sOffset="0.0000000000000000e+00" type="solid" weight="standard" color="standard" width="2.9999999999999999e-01" laneChange="both" />
+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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@@ -428,12 +437,12 @@
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                         <roadMark sOffset="0.0000000000000000e+00" type="solid" weight="standard" color="standard" width="2.9999999999999999e-01" laneChange="both" />
+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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@@ -442,6 +451,7 @@
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+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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@@ -469,12 +479,12 @@
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@@ -483,6 +493,7 @@
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+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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@@ -515,11 +526,6 @@
         <lateralProfile />
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-                    <lane id="1" type="driving" level="false">
-                        <link />
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@@ -530,6 +536,7 @@
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+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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@@ -554,11 +561,6 @@
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@@ -568,6 +570,7 @@
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+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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@@ -599,11 +602,6 @@
         <lateralProfile />
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-                    <lane id="1" type="driving" level="false">
-                        <link />
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@@ -644,11 +643,6 @@
         <lateralProfile />
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-                        <link />
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@@ -750,6 +736,7 @@
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+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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@@ -772,11 +759,6 @@
         <lateralProfile />
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         <lateralProfile />
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         <lateralProfile />
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@@ -902,11 +877,6 @@
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         <lateralProfile />
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@@ -962,6 +928,7 @@
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+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
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@@ -993,11 +960,6 @@
         <lateralProfile />
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                         <link />
@@ -1007,6 +969,7 @@
                     <lane id="-1" type="driving" level="false">
                         <link />
                         <width sOffset="0.0000000000000000e+00" a="4.4000000000000004e+00" b="0.0000000000000000e+00" c="0.0000000000000000e+00" d="0.0000000000000000e+00" />
+                        <speed sOffset="0.0000000000000000e+00" max="6.0000000000000000e+01" />
                     </lane>
                 </right>
             </laneSection>