diff --git a/assets.h b/assets.h
index 576b6fe..02af77d 100644
--- a/assets.h
+++ b/assets.h
@@ -32,13 +32,10 @@ LCR_MAP_BLOCK(LCR_BLOCK_CUBOID_FILL,15,1,20,0,0),
 LCR_MAP_BLOCK(LCR_BLOCK_FULL,0,0,20,LCR_BLOCK_MATERIAL_CONCRETE,0),
 LCR_MAP_BLOCK(LCR_BLOCK_CUBOID_FILL,10,15,1,0,0),
 
-LCR_MAP_BLOCK(LCR_BLOCK_RAMP,0,1,19,LCR_BLOCK_MATERIAL_CONCRETE,0),
+LCR_MAP_BLOCK(LCR_BLOCK_RAMP_CURVED,0,1,19,LCR_BLOCK_MATERIAL_CONCRETE,0),
 LCR_MAP_BLOCK(LCR_BLOCK_CUBOID_FILL,8,1,1,0,0),
 
-LCR_MAP_BLOCK(LCR_BLOCK_RAMP_STEEP,8,1,5,LCR_BLOCK_MATERIAL_CONCRETE,LCR_BLOCK_TRANSFORM_ROT_270),
-LCR_MAP_BLOCK(LCR_BLOCK_CUBOID_FILL,1,1,8,0,0),
-
-LCR_MAP_BLOCK(LCR_BLOCK_RAMP_STEEP,8,2,5,LCR_BLOCK_MATERIAL_CONCRETE,LCR_BLOCK_TRANSFORM_ROT_270 | LCR_BLOCK_TRANSFORM_FLIP_V),
+LCR_MAP_BLOCK(LCR_BLOCK_RAMP_CURVED,8,1,5,LCR_BLOCK_MATERIAL_CONCRETE,LCR_BLOCK_TRANSFORM_ROT_270),
 LCR_MAP_BLOCK(LCR_BLOCK_CUBOID_FILL,1,1,8,0,0),
 
 LCR_MAP_BLOCK(LCR_BLOCK_LEFT,5,1,5,LCR_BLOCK_MATERIAL_CONCRETE,LCR_BLOCK_TRANSFORM_ROT_90),
@@ -47,8 +44,6 @@ LCR_MAP_BLOCK(LCR_BLOCK_CUBOID_FILL,10,2,1,0,0),
 LCR_MAP_BLOCK(LCR_BLOCK_LEFT,9,0,20,LCR_BLOCK_MATERIAL_CONCRETE,0),
 LCR_MAP_BLOCK(LCR_BLOCK_CUBOID_FILL,8,1,8,0,0),
 
-LCR_MAP_BLOCK(LCR_BLOCK_CORNER_12,3,1,5,0,0),
-
 /*
 LCR_MAP_BLOCK(LCR_BLOCK_FULL,15,0,0,LCR_BLOCK_MATERIAL_GRASS,0),
 LCR_MAP_BLOCK(LCR_BLOCK_CUBOID_FILL,10,1,15,0,0),
diff --git a/map.h b/map.h
index 2dae1cc..d8cc7ce 100644
--- a/map.h
+++ b/map.h
@@ -80,13 +80,22 @@
 #define LCR_BLOCK_RAMP_34             0x06 ///< plain ramp, 3/4 size
 #define LCR_BLOCK_RAMP_12             0x07 ///< plain ramp, 1/2 size
 #define LCR_BLOCK_RAMP_14             0x08 ///< plain ramp, 1/4 size
-#define LCR_BLOCK_RAMP_CURVED         0x09
-#define LCR_BLOCK_RAMP_CURVED_SHORT   0x0a
-#define LCR_BLOCK_RAMP_CURVED_WALL    0x0b
+#define LCR_BLOCK_RAMP_CURVED_PLAT    0x09 ///< curved ramp with top platgform
+#define LCR_BLOCK_RAMP_CURVED   0x0a ///< curv. ramp without top platf.
+#define LCR_BLOCK_RAMP_CURVED_WALL    0x0b ///< curved ramp plus small wall
 #define LCR_BLOCK_RAMP_STEEP          0x0c ///< extremely steep ramp
 #define LCR_BLOCK_CORNER              0x0d ///< diagonal corner
 #define LCR_BLOCK_CORNER_12           0x0e ///< diagonal corner (1/2 wide)
 
+/*
+  TODO:
+  - ramp corner???
+  - curved corner?
+  - curved out corner?
+  - curved "hill"
+  - bumpy road
+*/
+
 #define LCR_BLOCK_FULL_ACCEL          0x20
 #define LCR_BLOCK_FULL_FAN            0x30
 
@@ -188,8 +197,10 @@ uint32_t LCR_mapBlockCoordsToCoordNumber(uint8_t x, uint8_t y, uint8_t z)
   return LCR_mapBlockGetCoordNumber(b);
 }
 
-void LCR_rampGetDimensions(uint8_t rampType,
-  uint8_t *height4ths,
+/**
+  Gets dimensions of a non-curved ramp.
+*/
+void LCR_rampGetDimensions(uint8_t rampType, uint8_t *height4ths,
   uint8_t *length6ths)
 {
   *height4ths =
@@ -201,17 +212,6 @@ void LCR_rampGetDimensions(uint8_t rampType,
   *length6ths = rampType != LCR_BLOCK_RAMP_STEEP ? 6 : 1;
 }
 
-/*
-int LCR_rampHeight4ths(uint8_t rampType)
-{
-  return
-    (rampType == LCR_BLOCK_RAMP_14) +
-    (rampType == LCR_BLOCK_RAMP) * 4 +
-    (rampType == LCR_BLOCK_RAMP_12 || rampType == LCR_BLOCK_RAMP_34) * 2 +
-    (rampType == LCR_BLOCK_RAMP_34);
-}
-*/
-
 uint8_t *LCR_getMapBlockAtCoordNumber(uint32_t coord)
 {
   // binary search the block:
@@ -552,6 +552,25 @@ void LCR_mapGetBlockShape(uint8_t blockType, uint8_t transform,
       break;
     }
 
+    case LCR_BLOCK_RAMP_CURVED:
+      ADD(0,0,0) ADD(6,0,0) ADD(0,1,4) // ramp
+      ADD(0,1,4) ADD(6,0,0) ADD(6,1,4)
+      ADD(0,1,4) ADD(6,1,4) ADD(0,2,5) // ramp
+      ADD(0,2,5) ADD(6,1,4) ADD(6,2,5)
+      ADD(0,2,5) ADD(6,2,5) ADD(0,4,6) // ramp
+      ADD(0,4,6) ADD(6,2,5) ADD(6,4,6)
+      ADD(0,0,0) ADD(0,1,4) ADD(0,0,6) // left
+      ADD(0,0,6) ADD(0,1,4) ADD(0,2,5)
+      ADD(0,0,6) ADD(0,2,5) ADD(0,4,6)
+      ADD(6,0,0) ADD(6,0,6) ADD(6,1,4) // right
+      ADD(6,0,6) ADD(6,2,5) ADD(6,1,4)
+      ADD(6,0,6) ADD(6,4,6) ADD(6,2,5)
+      ADD(0,0,6) ADD(0,4,6) ADD(6,0,6) // back
+      ADD(6,0,6) ADD(0,4,6) ADD(6,4,6)
+      ADD(0,0,0) ADD(6,0,6) ADD(6,0,0) // bottom
+      ADD(0,0,0) ADD(0,0,6) ADD(6,0,6)
+      break;
+
     case LCR_BLOCK_RAMP_CURVED_WALL:
       ADD(0,0,0) ADD(5,0,0) ADD(0,1,3) // ramp
       ADD(0,1,3) ADD(5,0,0) ADD(5,1,3)
diff --git a/racing.h b/racing.h
index ac39674..cd27ab2 100644
--- a/racing.h
+++ b/racing.h
@@ -127,6 +127,45 @@ TPE_Vec3 _LCR_racingBlockEnvFunc(TPE_Vec3 point, const uint8_t *block)
       break;
     }
 
+    case LCR_BLOCK_RAMP_CURVED:
+    {
+      TPE_Vec3 v, vBest;
+      TPE_Unit sides[6], d, dBest;
+
+      sides[0] = LCR_PHYSICS_UNIT / 8;
+      sides[1] = -1 * LCR_PHYSICS_UNIT / 4;
+      sides[2] = LCR_PHYSICS_UNIT / 2;
+      sides[3] = -1 * LCR_PHYSICS_UNIT / 4;
+      sides[4] = LCR_PHYSICS_UNIT / 2;
+      sides[5] = LCR_PHYSICS_UNIT / 4;
+
+      vBest = TPE_envAATriPrism(point,TPE_vec3(0,0,0),sides,LCR_PHYSICS_UNIT,2);
+      dBest = TPE_dist(point,vBest);
+
+      if (dBest != 0)
+      {
+        sides[0] = -1 * LCR_PHYSICS_UNIT / 4;
+        sides[1] = -1 * LCR_PHYSICS_UNIT / 4;
+        sides[2] = LCR_PHYSICS_UNIT / 2;
+        sides[3] = -1 * LCR_PHYSICS_UNIT / 4;
+        sides[4] = LCR_PHYSICS_UNIT / 2;
+        sides[5] = 0;
+
+        v = TPE_envAATriPrism(point,TPE_vec3(0,0,0),sides,LCR_PHYSICS_UNIT,2);
+        d = TPE_dist(point,v);
+
+        if (d < dBest)
+        {
+          vBest = v;
+          dBest = d;
+        }
+      }
+
+      point = vBest;
+
+      break;
+    }
+
     case LCR_BLOCK_RAMP:
     case LCR_BLOCK_RAMP_34:
     case LCR_BLOCK_RAMP_12: