diff --git a/drape_frontend/route_shape.cpp b/drape_frontend/route_shape.cpp
index 602e30d884..9c78fba1eb 100644
--- a/drape_frontend/route_shape.cpp
+++ b/drape_frontend/route_shape.cpp
@@ -11,16 +11,12 @@
 #include "drape/glsl_types.hpp"
 #include "drape/texture_manager.hpp"
 
-#include "indexer/map_style_reader.hpp"
-
 #include "base/logging.hpp"
 
 namespace df
 {
-
 namespace
 {
-
 float const kLeftSide = 1.0f;
 float const kCenter = 0.0f;
 float const kRightSide = -1.0f;
@@ -33,9 +29,9 @@ void GetArrowTextureRegion(ref_ptr<dp::TextureManager> textures, dp::TextureMana
   textures->GetSymbolRegion("route-arrow", region);
 }
 
-vector<m2::PointD> CalculatePoints(m2::PolylineD const & polyline, double start, double end)
+std::vector<m2::PointD> CalculatePoints(m2::PolylineD const & polyline, double start, double end)
 {
-  vector<m2::PointD> result;
+  std::vector<m2::PointD> result;
   result.reserve(polyline.GetSize() / 4);
 
   auto addIfNotExist = [&result](m2::PointD const & pnt)
@@ -44,7 +40,7 @@ vector<m2::PointD> CalculatePoints(m2::PolylineD const & polyline, double start,
       result.push_back(pnt);
   };
 
-  vector<m2::PointD> const & path = polyline.GetPoints();
+  std::vector<m2::PointD> const & path = polyline.GetPoints();
   double len = 0;
   bool started = false;
   for (size_t i = 0; i + 1 < path.size(); i++)
@@ -81,8 +77,9 @@ vector<m2::PointD> CalculatePoints(m2::PolylineD const & polyline, double start,
   return result;
 }
 
-void GenerateJoinsTriangles(glsl::vec3 const & pivot, vector<glsl::vec2> const & normals, glsl::vec4 const & color,
-                            glsl::vec2 const & length, bool isLeft, RouteShape::TGeometryBuffer & joinsGeometry)
+void GenerateJoinsTriangles(glsl::vec3 const & pivot, std::vector<glsl::vec2> const & normals,
+                            glsl::vec4 const & color, glsl::vec2 const & length, bool isLeft,
+                            RouteShape::TGeometryBuffer & joinsGeometry)
 {
   float const kEps = 1e-5;
   size_t const trianglesCount = normals.size() / 3;
@@ -110,8 +107,8 @@ glsl::vec2 GetUV(m2::RectF const & texRect, glsl::vec2 const & uv)
   return GetUV(texRect, uv.x, uv.y);
 }
 
-void GenerateArrowsTriangles(glsl::vec4 const & pivot, vector<glsl::vec2> const & normals,
-                             m2::RectF const & texRect, vector<glsl::vec2> const & uv,
+void GenerateArrowsTriangles(glsl::vec4 const & pivot, std::vector<glsl::vec2> const & normals,
+                             m2::RectF const & texRect, std::vector<glsl::vec2> const & uv,
                              bool normalizedUV, RouteShape::TArrowGeometryBuffer & joinsGeometry)
 {
   size_t const trianglesCount = normals.size() / 3;
@@ -128,15 +125,15 @@ void GenerateArrowsTriangles(glsl::vec4 const & pivot, vector<glsl::vec2> const
 
 } // namespace
 
-void RouteShape::PrepareGeometry(vector<m2::PointD> const & path, m2::PointD const & pivot,
-                                 vector<glsl::vec4> const & segmentsColors,
+void RouteShape::PrepareGeometry(std::vector<m2::PointD> const & path, m2::PointD const & pivot,
+                                 std::vector<glsl::vec4> const & segmentsColors,
                                  TGeometryBuffer & geometry, TGeometryBuffer & joinsGeometry,
                                  double & outputLength)
 {
   ASSERT(path.size() > 1, ());
 
   // Construct segments.
-  vector<LineSegment> segments;
+  std::vector<LineSegment> segments;
   segments.reserve(path.size() - 1);
   ConstructLineSegments(path, segmentsColors, segments);
 
@@ -199,7 +196,7 @@ void RouteShape::PrepareGeometry(vector<m2::PointD> const & path, m2::PointD con
       float widthScalar = segments[i].m_hasLeftJoin[EndPoint] ? segments[i].m_rightWidthScalar[EndPoint].x :
                                                                 segments[i].m_leftWidthScalar[EndPoint].x;
 
-      vector<glsl::vec2> normals;
+      std::vector<glsl::vec2> normals;
       normals.reserve(24);
       GenerateJoinNormals(dp::RoundJoin, n1, n2, 1.0f, segments[i].m_hasLeftJoin[EndPoint],
                           widthScalar, normals);
@@ -211,7 +208,7 @@ void RouteShape::PrepareGeometry(vector<m2::PointD> const & path, m2::PointD con
     // Generate caps.
     if (i == 0)
     {
-      vector<glsl::vec2> normals;
+      std::vector<glsl::vec2> normals;
       normals.reserve(24);
       GenerateCapNormals(dp::RoundCap, segments[i].m_leftNormals[StartPoint],
                          segments[i].m_rightNormals[StartPoint], -segments[i].m_tangent,
@@ -223,7 +220,7 @@ void RouteShape::PrepareGeometry(vector<m2::PointD> const & path, m2::PointD con
 
     if (i == static_cast<int>(segments.size()) - 1)
     {
-      vector<glsl::vec2> normals;
+      std::vector<glsl::vec2> normals;
       normals.reserve(24);
       GenerateCapNormals(dp::RoundCap, segments[i].m_leftNormals[EndPoint],
                          segments[i].m_rightNormals[EndPoint], segments[i].m_tangent,
@@ -237,20 +234,20 @@ void RouteShape::PrepareGeometry(vector<m2::PointD> const & path, m2::PointD con
   }
 }
 
-void RouteShape::PrepareArrowGeometry(vector<m2::PointD> const & path, m2::PointD const & pivot,
+void RouteShape::PrepareArrowGeometry(std::vector<m2::PointD> const & path, m2::PointD const & pivot,
                                       m2::RectF const & texRect, float depthStep, float depth,
                                       TArrowGeometryBuffer & geometry, TArrowGeometryBuffer & joinsGeometry)
 {
   ASSERT(path.size() > 1, ());
 
   // Construct segments.
-  vector<LineSegment> segments;
+  std::vector<LineSegment> segments;
   segments.reserve(path.size() - 1);
-  ConstructLineSegments(path, vector<glsl::vec4>(), segments);
+  ConstructLineSegments(path, std::vector<glsl::vec4>(), segments);
 
   m2::RectF tr = texRect;
-  tr.setMinX(texRect.minX() * (1.0 - kArrowTailSize) + texRect.maxX() * kArrowTailSize);
-  tr.setMaxX(texRect.minX() * kArrowHeadSize + texRect.maxX() * (1.0 - kArrowHeadSize));
+  tr.setMinX(static_cast<float>(texRect.minX() * (1.0 - kArrowTailSize) + texRect.maxX() * kArrowTailSize));
+  tr.setMaxX(static_cast<float>(texRect.minX() * kArrowHeadSize + texRect.maxX() * (1.0 - kArrowHeadSize)));
 
   // Build geometry.
   float const depthInc = depthStep / (segments.size() + 1);
@@ -300,9 +297,9 @@ void RouteShape::PrepareArrowGeometry(vector<m2::PointD> const & path, m2::Point
                                                                 segments[i].m_leftWidthScalar[EndPoint].x;
 
       int const kAverageSize = 24;
-      vector<glsl::vec2> normals;
+      std::vector<glsl::vec2> normals;
       normals.reserve(kAverageSize);
-      vector<glsl::vec2> uv;
+      std::vector<glsl::vec2> uv;
       uv.reserve(kAverageSize);
 
       GenerateJoinNormals(dp::RoundJoin, n1, n2, 1.0f, segments[i].m_hasLeftJoin[EndPoint],
@@ -316,14 +313,14 @@ void RouteShape::PrepareArrowGeometry(vector<m2::PointD> const & path, m2::Point
     // Generate arrow head.
     if (i == segments.size() - 1)
     {
-      vector<glsl::vec2> normals =
+      std::vector<glsl::vec2> normals =
       {
         segments[i].m_rightNormals[EndPoint],
         segments[i].m_leftNormals[EndPoint],
         kArrowHeadFactor * segments[i].m_tangent
       };
-      float const u = 1.0f - kArrowHeadSize;
-      vector<glsl::vec2> uv = { glsl::vec2(u, 1.0f), glsl::vec2(u, 0.0f), glsl::vec2(1.0f, 0.5f) };
+      float const u = 1.0f - static_cast<float>(kArrowHeadSize);
+      std::vector<glsl::vec2> uv = { glsl::vec2(u, 1.0f), glsl::vec2(u, 0.0f), glsl::vec2(1.0f, 0.5f) };
       glsl::vec4 const headPivot = glsl::vec4(glsl::ToVec2(endPt), depth, 1.0);
       depth += depthInc;
       GenerateArrowsTriangles(headPivot, normals, texRect, uv, true /* normalizedUV */, joinsGeometry);
@@ -336,11 +333,11 @@ void RouteShape::PrepareArrowGeometry(vector<m2::PointD> const & path, m2::Point
       glsl::vec2 const n2 = segments[i].m_rightNormals[StartPoint];
       glsl::vec2 const n3 = (n1 - kArrowTailFactor * segments[i].m_tangent);
       glsl::vec2 const n4 = (n2 - kArrowTailFactor * segments[i].m_tangent);
-      vector<glsl::vec2> normals = { n2, n4, n1, n1, n4, n3 };
+      std::vector<glsl::vec2> normals = { n2, n4, n1, n1, n4, n3 };
 
       m2::RectF t = texRect;
       t.setMaxX(tr.minX());
-      vector<glsl::vec2> uv =
+      std::vector<glsl::vec2> uv =
       {
         glsl::ToVec2(t.RightBottom()),
         glsl::ToVec2(t.LeftBottom()),
@@ -395,7 +392,8 @@ void RouteShape::CacheRouteSign(ref_ptr<dp::TextureManager> mng, RouteSignData &
 }
 
 void RouteShape::CacheRouteArrows(ref_ptr<dp::TextureManager> mng, m2::PolylineD const & polyline,
-                                  vector<ArrowBorders> const & borders, RouteArrowsData & routeArrowsData)
+                                  std::vector<ArrowBorders> const & borders,
+                                  RouteArrowsData & routeArrowsData)
 {
   TArrowGeometryBuffer geometry;
   TArrowGeometryBuffer joinsGeometry;
@@ -410,7 +408,7 @@ void RouteShape::CacheRouteArrows(ref_ptr<dp::TextureManager> mng, m2::PolylineD
   for (ArrowBorders const & b : borders)
   {
     depth -= depthStep;
-    vector<m2::PointD> points = CalculatePoints(polyline, b.m_startDistance, b.m_endDistance);
+    std::vector<m2::PointD> points = CalculatePoints(polyline, b.m_startDistance, b.m_endDistance);
     ASSERT_LESS_OR_EQUAL(points.size(), polyline.GetSize(), ());
     PrepareArrowGeometry(points, routeArrowsData.m_pivot, region.GetTexRect(), depthStep,
                          depth, geometry, joinsGeometry);
@@ -423,12 +421,13 @@ void RouteShape::CacheRouteArrows(ref_ptr<dp::TextureManager> mng, m2::PolylineD
 
 void RouteShape::CacheRoute(ref_ptr<dp::TextureManager> textures, RouteData & routeData)
 {
-  vector<glsl::vec4> segmentsColors;
+  std::vector<glsl::vec4> segmentsColors;
   segmentsColors.reserve(routeData.m_traffic.size());
-  for (auto const & speedGroup : routeData.m_traffic)
+  for (auto speedGroup : routeData.m_traffic)
   {
-    dp::Color const color = df::GetColorConstant(TrafficGenerator::GetColorBySpeedGroup(speedGroup,
-                                                                                        true /* route */));
+    speedGroup = TrafficGenerator::CheckColorsSimplification(speedGroup);
+    auto const colorConstant = TrafficGenerator::GetColorBySpeedGroup(speedGroup, true /* route */);
+    dp::Color const color = df::GetColorConstant(colorConstant);
     float const alpha = (speedGroup == traffic::SpeedGroup::G4 ||
                          speedGroup == traffic::SpeedGroup::G5 ||
                          speedGroup == traffic::SpeedGroup::Unknown) ? 0.0f : 1.0f;
@@ -479,5 +478,4 @@ void RouteShape::BatchGeometry(dp::GLState const & state, ref_ptr<void> geometry
     }
   }
 }
-
-} // namespace df
+}  // namespace df
diff --git a/drape_frontend/route_shape.hpp b/drape_frontend/route_shape.hpp
index 039332246a..bab193800d 100644
--- a/drape_frontend/route_shape.hpp
+++ b/drape_frontend/route_shape.hpp
@@ -13,11 +13,10 @@
 
 #include "geometry/polyline2d.hpp"
 
-#include "std/vector.hpp"
+#include <vector>
 
 namespace df
 {
-
 double const kArrowSize = 0.0008;
 
 // Constants below depend on arrow texture.
@@ -28,9 +27,9 @@ double const kArrowHeadTextureWidth = 32.0;
 double const kArrowTailTextureWidth = 4.0;
 
 double const kArrowHeadSize = kArrowHeadTextureWidth / kArrowTextureWidth;
-float const kArrowHeadFactor = 2.0 * kArrowHeadTextureWidth / kArrowTextureHeight;
+float const kArrowHeadFactor = static_cast<float>(2.0 * kArrowHeadTextureWidth / kArrowTextureHeight);
 double const kArrowTailSize = kArrowTailTextureWidth / kArrowTextureWidth;
-float const kArrowTailFactor = 2.0 * kArrowTailTextureWidth / kArrowTextureHeight;
+float const kArrowTailFactor = static_cast<float>(2.0 * kArrowTailTextureWidth / kArrowTextureHeight);
 double const kArrowHeightFactor = kArrowTextureHeight / kArrowBodyHeight;
 double const kArrowAspect = kArrowTextureWidth / kArrowTextureHeight;
 
@@ -52,7 +51,7 @@ struct RoutePattern
 struct RouteRenderProperty
 {
   dp::GLState m_state;
-  vector<drape_ptr<dp::RenderBucket>> m_buckets;
+  std::vector<drape_ptr<dp::RenderBucket>> m_buckets;
   RouteRenderProperty() : m_state(0, dp::GLState::GeometryLayer) {}
 };
 
@@ -67,10 +66,10 @@ struct RouteData
 {
   int m_routeIndex;
   m2::PolylineD m_sourcePolyline;
-  vector<double> m_sourceTurns;
+  std::vector<double> m_sourceTurns;
   m2::PointD m_pivot;
   df::ColorConstant m_color;
-  vector<traffic::SpeedGroup> m_traffic;
+  std::vector<traffic::SpeedGroup> m_traffic;
   double m_length;
   RouteRenderProperty m_route;
   RoutePattern m_pattern;
@@ -104,19 +103,20 @@ public:
   static void CacheRoute(ref_ptr<dp::TextureManager> textures, RouteData & routeData);
   static void CacheRouteSign(ref_ptr<dp::TextureManager> mng, RouteSignData & routeSignData);
   static void CacheRouteArrows(ref_ptr<dp::TextureManager> mng, m2::PolylineD const & polyline,
-                               vector<ArrowBorders> const & borders, RouteArrowsData & routeArrowsData);
+                               std::vector<ArrowBorders> const & borders,
+                               RouteArrowsData & routeArrowsData);
 
 private:
-  static void PrepareGeometry(vector<m2::PointD> const & path, m2::PointD const & pivot,
-                              vector<glsl::vec4> const & segmentsColors,
+  static void PrepareGeometry(std::vector<m2::PointD> const & path, m2::PointD const & pivot,
+                              std::vector<glsl::vec4> const & segmentsColors,
                               TGeometryBuffer & geometry, TGeometryBuffer & joinsGeometry,
                               double & outputLength);
-  static void PrepareArrowGeometry(vector<m2::PointD> const & path, m2::PointD const & pivot,
+  static void PrepareArrowGeometry(std::vector<m2::PointD> const & path, m2::PointD const & pivot,
                                    m2::RectF const & texRect, float depthStep, float depth,
-                                   TArrowGeometryBuffer & geometry, TArrowGeometryBuffer & joinsGeometry);
+                                   TArrowGeometryBuffer & geometry,
+                                   TArrowGeometryBuffer & joinsGeometry);
   static void BatchGeometry(dp::GLState const & state, ref_ptr<void> geometry, uint32_t geomSize,
                             ref_ptr<void> joinsGeometry, uint32_t joinsGeomSize,
                             dp::BindingInfo const & bindingInfo, RouteRenderProperty & property);
 };
-
-} // namespace df
+}  // namespace df
diff --git a/drape_frontend/traffic_generator.cpp b/drape_frontend/traffic_generator.cpp
index 5a1178c60e..581bc70be5 100644
--- a/drape_frontend/traffic_generator.cpp
+++ b/drape_frontend/traffic_generator.cpp
@@ -345,7 +345,17 @@ void TrafficGenerator::SetSimplifiedColorSchemeEnabled(bool enabled)
 }
 
 // static
-df::ColorConstant TrafficGenerator::GetColorBySpeedGroup(traffic::SpeedGroup const & speedGroup, bool route)
+traffic::SpeedGroup TrafficGenerator::CheckColorsSimplification(traffic::SpeedGroup speedGroup)
+{
+  traffic::SpeedGroup group = speedGroup;
+  // In simplified color scheme we reduce amount of speed groups visually.
+  if (m_simplifiedColorScheme && speedGroup == traffic::SpeedGroup::G4)
+    group = traffic::SpeedGroup::G3;
+  return group;
+}
+
+// static
+df::ColorConstant TrafficGenerator::GetColorBySpeedGroup(traffic::SpeedGroup speedGroup, bool route)
 {
   size_t constexpr kSpeedGroupsCount = static_cast<size_t>(traffic::SpeedGroup::Count);
   static array<df::ColorConstant, kSpeedGroupsCount> const kColorMap
@@ -372,12 +382,7 @@ df::ColorConstant TrafficGenerator::GetColorBySpeedGroup(traffic::SpeedGroup con
     "TrafficUnknown",
   }};
 
-  traffic::SpeedGroup group = speedGroup;
-  // In simplified color scheme we reduce amount of speed groups visually.
-  if (m_simplifiedColorScheme && speedGroup == traffic::SpeedGroup::G4)
-    group = traffic::SpeedGroup::G3;
-
-  size_t const index = static_cast<size_t>(group);
+  size_t const index = static_cast<size_t>(CheckColorsSimplification(speedGroup));
   ASSERT_LESS(index, kSpeedGroupsCount, ());
   return route ? kColorMapRoute[index] : kColorMap[index];
 }
diff --git a/drape_frontend/traffic_generator.hpp b/drape_frontend/traffic_generator.hpp
index 3bc9d4608a..1b42fd01f0 100644
--- a/drape_frontend/traffic_generator.hpp
+++ b/drape_frontend/traffic_generator.hpp
@@ -148,7 +148,8 @@ public:
   void InvalidateTexturesCache();
 
   static void SetSimplifiedColorSchemeEnabled(bool enabled);
-  static df::ColorConstant GetColorBySpeedGroup(traffic::SpeedGroup const & speedGroup, bool route);
+  static traffic::SpeedGroup CheckColorsSimplification(traffic::SpeedGroup speedGroup);
+  static df::ColorConstant GetColorBySpeedGroup(traffic::SpeedGroup speedGroup, bool route);
 
 private:
   struct TrafficBatcherKey