diff --git a/inputs/stop_areas.proto b/inputs/stop_areas.proto
index 89570d3..f51236f 100644
--- a/inputs/stop_areas.proto
+++ b/inputs/stop_areas.proto
@@ -4,6 +4,6 @@ package external_models;
 message ExternalStopArea {
 	string objectid  = 1;
 	string name      = 2;
-	double position_x = 3;
-	double position_y = 4;
+	double longitude = 3;
+	double latitude  = 4;
 }
diff --git a/stop_areas.pb.go b/stop_areas.pb.go
index 27c77ba..b7b3b7c 100644
--- a/stop_areas.pb.go
+++ b/stop_areas.pb.go
@@ -23,8 +23,8 @@ const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 type ExternalStopArea struct {
 	Objectid             string   `protobuf:"bytes,1,opt,name=objectid,proto3" json:"objectid,omitempty"`
 	Name                 string   `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
-	PositionX            float64  `protobuf:"fixed64,3,opt,name=position_x,json=positionX,proto3" json:"position_x,omitempty"`
-	PositionY            float64  `protobuf:"fixed64,4,opt,name=position_y,json=positionY,proto3" json:"position_y,omitempty"`
+	Longitude            float64  `protobuf:"fixed64,3,opt,name=longitude,proto3" json:"longitude,omitempty"`
+	Latitude             float64  `protobuf:"fixed64,4,opt,name=latitude,proto3" json:"latitude,omitempty"`
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
 	XXX_sizecache        int32    `json:"-"`
@@ -69,16 +69,16 @@ func (m *ExternalStopArea) GetName() string {
 	return ""
 }
 
-func (m *ExternalStopArea) GetPositionX() float64 {
+func (m *ExternalStopArea) GetLongitude() float64 {
 	if m != nil {
-		return m.PositionX
+		return m.Longitude
 	}
 	return 0
 }
 
-func (m *ExternalStopArea) GetPositionY() float64 {
+func (m *ExternalStopArea) GetLatitude() float64 {
 	if m != nil {
-		return m.PositionY
+		return m.Latitude
 	}
 	return 0
 }
@@ -93,12 +93,12 @@ var fileDescriptor_82d1dca9db066224 = []byte{
 	// 147 bytes of a gzipped FileDescriptorProto
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 	0x00, 0x00, 0x00,
 }