diff --git a/application/controllers/Bus.php b/application/controllers/Bus.php
index 965e6e8..cf56af8 100644
--- a/application/controllers/Bus.php
+++ b/application/controllers/Bus.php
@@ -227,7 +227,7 @@ function getLocalizations($idRoute, $idBus){
         return $this->makeJsonRespose($lastLocalizations, 200);
     }
     /**
-     * @api {post} /routes/:idRoute/buses/:idBus/position Adicionar uma localização a um ônibus
+     * @api {post} /routes/:idRoute/buses/:idBus/positions Adicionar uma localização a um ônibus
      * @apiName PostPosition
      * @apiGroup Bus
      * @apiPermission tracker
@@ -256,7 +256,7 @@ function getLocalizations($idRoute, $idBus){
      * @apiParamExample {json} Exemplo de requisição:
      *      {
      *        "latitude": 3.2921,
-     *        "longitude": -3.23123,
+     *        "longitude": -3.23123
      *      }
      *
      * @apiErrorExample {json} Exemplo de respota com erro no json da requisição :
diff --git a/application/models/Bus_model.php b/application/models/Bus_model.php
index 71f8f03..9c2b554 100644
--- a/application/models/Bus_model.php
+++ b/application/models/Bus_model.php
@@ -5,7 +5,8 @@ class Bus_model extends CI_Model{
 	public $name;
 	public $description;
 	const table = 'bus';
-	const lastLocalizationsTable = 'last_localizations'; 
+	const lastLocalizationsTable = 'last_localizations';
+	const MAX_LOCALIZATIONS_PER_BUS = 10;
 
 	public function __construct(){
 		parent::__construct();
@@ -41,8 +42,27 @@ public function insertLocalization($idRoute, $idBus, $input){
 		$localization->date = date('Y-m-d H:i:s');
 		$this->db->insert(self::lastLocalizationsTable, $localization);
 
+
+		$localizationsCount = count(
+			$this->db->select("*")
+					 ->from(self::lastLocalizationsTable)
+					 ->where("id_bus = {$idBus}")
+					 ->get()->result()
+			);
+
+		if($localizationsCount > self::MAX_LOCALIZATIONS_PER_BUS)
+			$this->popLastLocalizations($idRoute, $idBus);
+
 		return $localization->date;
 	}
+	private function popLastLocalizations($idRoute, $idBus){
+		$r = $this->db->select("*")
+				 ->from(self::lastLocalizationsTable)
+				 ->where("id_bus = {$idBus}")
+				 ->order_by("date", "asc")
+				 ->limit(1,0)->delete();
+		echo json_encode($r);
+	}
 	public function insertBus($idRoute, $bus){
 		$busData = new stdClass();
 		$busData->id_routes = $idRoute;