diff --git a/layers/components/highway-road-width-casing.yml b/layers/components/highway-road-width-casing.yml
index ed104ba..6f70d0d 100644
--- a/layers/components/highway-road-width-casing.yml
+++ b/layers/components/highway-road-width-casing.yml
@@ -2,8 +2,12 @@
   - - exponential
     - 0.9 # カーブが大きい
   - - zoom
-  - 4
+  - 4     # zl
   - 2
+  - 6     # zl
+  - 3
+  - 8     # zl
+  - 3
   - 14    # zl
   - 4
   - 16    # zl 16 で building の表示が始まり、太さコントロールが必要になる
diff --git a/layers/components/highway-road-width.yml b/layers/components/highway-road-width.yml
index b3f3b93..f5e34c2 100644
--- a/layers/components/highway-road-width.yml
+++ b/layers/components/highway-road-width.yml
@@ -2,8 +2,12 @@
   - - exponential
     - 0.9 # カーブが大きい
   - - zoom
-  - 4
-  - 1
+  - 4     # zl
+  - 0.5
+  - 6     # zl
+  - 0.5
+  - 8     # zl
+  - 0.5
   - 14
   - 3
   - 16   # zl 16 で building の表示が始まり、太さコントロールが必要になる
diff --git a/layers/highway-motorway-casing.yml b/layers/highway-motorway-casing.yml
index c7f47a8..8d74e39 100644
--- a/layers/highway-motorway-casing.yml
+++ b/layers/highway-motorway-casing.yml
@@ -22,5 +22,12 @@ layout:
   line-join: round
   visibility: visible
 paint:
-  line-color: '#f0762d'
+  line-color:
+    - interpolate
+    - - linear
+    - - zoom
+    - 4
+    - '#f0762d'
+    - 8
+    - '#f3955d'
   line-width: !!inc/file layers/components/highway-road-width-casing.yml
diff --git a/layers/highway-motorway.yml b/layers/highway-motorway.yml
index 7ccbbb1..708e331 100644
--- a/layers/highway-motorway.yml
+++ b/layers/highway-motorway.yml
@@ -26,9 +26,11 @@ paint:
     - - linear
     - - zoom
     - 4
-    - '#ffffff'
+    - '#fce8db'
+    - 6
+    - '#f9c9ac'
     - 8
-    - '#f0762d'
+    - '#fce8db'
     - 12
     - '#FF8D48'
     - 14