   category: 'warning'
   name: 'Traffic signals ahead'
   elements: [
-    { type: 'circle-bg', color: 'black' }
+    { type: 'square-rounded', color: 'black', transform: '{square_to_diamond}' }
+    { type: 'square-rounded', color: 'yellow', transform: 'scale(.95) {square_to_diamond}' }
+    { type: 'square-angular', color: 'black', transform: 'scale(.2,.55)' }
+    { type: 'circle-bg', color: 'green', transform: 'translate(0,16.5%) scale(.14)' }
+    { type: 'circle-bg', color: 'yellow', transform: 'scale(.14)' }
+    { type: 'circle-bg', color: 'red', transform: 'translate(0,-16.5%) scale(.14)' }
   ]
 
 'tunnel-ahead':

  elements: [
    { type: 'circle-bg', color: 'white' }
    { type: 'circle-o', color: 'red' }
    { type: 'turn-90-l', color: 'black', transform: 'translate(-10%, 5%)' }
    { type: 'circle-bar-rounded', color: 'red', transform: 'rotate(-45deg)' }
  ]


  elements: [
    { type: 'circle-bg', color: 'white' }
    { type: 'circle-o', color: 'red' }
    { type: 'octagon', color: 'black', transform: 'scale(.7)' }
    { type: 'circle-bar-rounded', color: 'red', transform: 'rotate(-45deg)' }
  ]

'no-u-turn':
