diff --git a/railway-gauge.json b/railway-gauge.json
index e20de61..c7c2fc2 100644
--- a/railway-gauge.json
+++ b/railway-gauge.json
@@ -8,8 +8,11 @@
         "14": "way[railway~'^(disused|construction|funicular|light_rail|miniature|monorail|narrow_gauge|preserved|rail|subway|tram)$'];"
     },
     "feature": {
-        "pre": "{% set gauges = tags.gauge|split(';') %}",
-        "title": "{% if tags.ref %}{{ localizedTag(tags, 'ref') }} - {% endif %}{{ localizedTag(tags, 'name')|default(localizedTag(tags, 'operator'))|default(trans('unnamed')) }}",
+        "pre": [
+            "{% set gauges = tags.gauge|split(';') %}",
+            "{% set width = max(3, 2.5 / map.metersPerPixel) %}"
+        ],
+        "title": "{{ width }}{% if tags.ref %}{{ localizedTag(tags, 'ref') }} - {% endif %}{{ localizedTag(tags, 'name')|default(localizedTag(tags, 'operator'))|default(trans('unnamed')) }}",
         "description": "{{ tags.gauge|default(trans('unknown'))|enumerate }}",
         "body": [
             "{{ tagTrans('railway', tags.railway) }}<br/>",
@@ -23,31 +26,36 @@
         "listMarkerSymbol": "line",
         "styles": "{% if gauges|length < 2 %}default{% else %}{% for i, v in gauges %}{% if i != 0 %},{% endif %}gauge{{ i }}{% endfor %}{% endif %}",
         "style": {
-            "width": "3",
+            "width": "{{ width }}",
+            "pane": "casing",
             "color": "{% if tags.gauge %}{% if not tags.gauge|matches('^\\d+$') %}#ff0000{% else %}{{ colorInterpolate([ '#00ff00', '#0000ff' ], tags.gauge / 2000) }}{% endif %}{% else %}#404040{% endif %}"
         },
         "style:gauge0": {
-            "width": "3",
+            "width": "{{ width }}",
+            "pane": "casing",
             "lineCap": "butt",
             "color": "{% if not gauges[0]|matches('^[0-9]+$') %}#ff0000{% else %}{{ colorInterpolate([ '#00ff00', '#0000ff' ], gauges[0] / 2000) }}{% endif %}",
             "dashArray": "5,{{ (gauges|length - 1) * 5 }}"
         },
         "style:gauge1": {
-            "width": "3",
+            "width": "{{ width }}",
+            "pane": "casing",
             "lineCap": "butt",
             "color": "{% if not gauges[1]|matches('^[0-9]+$') %}#ff0000{% else %}{{ colorInterpolate([ '#00ff00', '#0000ff' ], gauges[1] / 2000) }}{% endif %}",
             "dashArray": "5,{{ (gauges|length - 1) * 5 }}",
             "dashOffset": "5"
         },
         "style:gauge2": {
-            "width": "3",
+            "width": "{{ width }}",
+            "pane": "casing",
             "lineCap": "butt",
             "color": "{% if not gauges[2]|matches('^\\d+$') %}#ff0000{% else %}{{ colorInterpolate([ '#00ff00', '#0000ff' ], gauges[2] / 2000) }}{% endif %}",
             "dashArray": "5,{{ (gauges|length - 1) * 5 }}",
             "dashOffset": "10"
         },
         "style:gauge3": {
-            "width": "3",
+            "width": "{{ width }}",
+            "pane": "casing",
             "lineCap": "butt",
             "color": "{% if not gauges[3]|matches('^\\d+$') %}#ff0000{% else %}{{ colorInterpolate([ '#00ff00', '#0000ff' ], gauges[3] / 2000) }}{% endif %}",
             "dashArray": "5,{{ (gauges|length - 1) * 5 }}",