diff --git a/assets/layers/cycleways_and_roads/cycleways_and_roads.json b/assets/layers/cycleways_and_roads/cycleways_and_roads.json
index 5d058b4104..805160d546 100644
--- a/assets/layers/cycleways_and_roads/cycleways_and_roads.json
+++ b/assets/layers/cycleways_and_roads/cycleways_and_roads.json
@@ -268,42 +268,7 @@
           }
         ]
       },
-      "width": "8",
-      "dashArray": {
-        "render": "",
-        "mappings": [
-          {
-            "if": {
-              "or": [
-                "oneway=yes",
-                {
-                  "or": [
-                    "highway=cycleway",
-                    "highway=path"
-                  ]
-                }
-              ]
-            },
-            "then": ""
-          },
-          {
-            "if": "cycleway=track",
-            "then": ""
-          },
-          {
-            "if": "cycleway=shared_lane",
-            "then": "15 30"
-          },
-          {
-            "if": "cycleway=lane",
-            "then": "25 15 15 15 25"
-          },
-          {
-            "if": "cyclestreet=yes",
-            "then": ""
-          }
-        ]
-      }
+      "width": "8"
     }
   ],
   "tagRenderings": [
diff --git a/assets/layers/slow_roads/slow_roads.json b/assets/layers/slow_roads/slow_roads.json
index f14bdc3497..afb6f9763e 100644
--- a/assets/layers/slow_roads/slow_roads.json
+++ b/assets/layers/slow_roads/slow_roads.json
@@ -101,33 +101,7 @@
   "lineRendering": [
     {
       "color": "#eaba2a",
-      "width": "7",
-      "dashArray": {
-        "render": "",
-        "mappings": [
-          {
-            "if": "highway=cycleway",
-            "then": ""
-          },
-          {
-            "if": "highway=path",
-            "then": "0 12"
-          },
-          {
-            "if": {
-              "or": [
-                "highway=footway",
-                "highway=pedestrian"
-              ]
-            },
-            "then": "12 18"
-          },
-          {
-            "if": "highway=living_street",
-            "then": "12 12 0 12"
-          }
-        ]
-      }
+      "width": "7"
     }
   ],
   "presets": [],
diff --git a/assets/themes/sidewalks/sidewalks.json b/assets/themes/sidewalks/sidewalks.json
index 459225a4a7..62e9ef6b99 100644
--- a/assets/themes/sidewalks/sidewalks.json
+++ b/assets/themes/sidewalks/sidewalks.json
@@ -272,15 +272,6 @@
         {
           "#": "left",
           "color": "#888",
-          "dashArray": {
-            "render": "",
-            "mappings": [
-              {
-                "if": "sidewalk:left=",
-                "then": "1,12"
-              }
-            ]
-          },
           "width": {
             "render": 6,
             "mappings": [
@@ -300,15 +291,6 @@
         },
         {
           "color": "#888",
-          "dashArray": {
-            "render": "",
-            "mappings": [
-              {
-                "if": "sidewalk:right=",
-                "then": "1,12"
-              }
-            ]
-          },
           "width": {
             "render": 6,
             "mappings": [
diff --git a/assets/themes/width/width.json b/assets/themes/width/width.json
index b8598267d4..e68bcce7c3 100644
--- a/assets/themes/width/width.json
+++ b/assets/themes/width/width.json
@@ -235,25 +235,6 @@
                 "then": "#f00"
               }
             ]
-          },
-          "dashArray": {
-            "render": "",
-            "mappings": [
-              {
-                "if": {
-                  "and": [
-                    "oneway=yes",
-                    {
-                      "or": [
-                        "oneway:bicycle=yes",
-                        "oneway:bicycle="
-                      ]
-                    }
-                  ]
-                },
-                "then": "5 6"
-              }
-            ]
           }
         }
       ]
diff --git a/src/Models/ThemeConfig/LineRenderingConfig.ts b/src/Models/ThemeConfig/LineRenderingConfig.ts
index 57897166f6..fb59535b4e 100644
--- a/src/Models/ThemeConfig/LineRenderingConfig.ts
+++ b/src/Models/ThemeConfig/LineRenderingConfig.ts
@@ -20,6 +20,9 @@ export default class LineRenderingConfig extends WithContextLoader {
         this.color = this.tr("color", "#0000ff")
         this.width = this.tr("width", "7")
         this.dashArray = json.dashArray
+        if(this.dashArray !== undefined && typeof this.dashArray !== "string"){
+            throw "Invalid dasharray at "+context+"; this should be a string but is a "+typeof this.dashArray
+        }
         this.lineCap = this.tr("lineCap", "round")
         this.fill = this.tr("fill", undefined)
         this.fillColor = this.tr("fillColor", undefined)
diff --git a/src/UI/Map/ShowDataLayer.ts b/src/UI/Map/ShowDataLayer.ts
index c542e094d7..7e86e290bc 100644
--- a/src/UI/Map/ShowDataLayer.ts
+++ b/src/UI/Map/ShowDataLayer.ts
@@ -358,8 +358,13 @@ class LineRenderingLayer {
                     }
                 }
                 if (this._config.dashArray) {
+                    try{
+
                     layer.paint["line-dasharray"] =
                         this._config.dashArray?.split(" ")?.map((s) => Number(s)) ?? null
+                    }catch (e) {
+                        console.error(`Invalid dasharray in layer ${this._layername}:`, this._config.dashArray)
+                    }
                 }
                 map.addLayer(layer)