Parsowanie, parser JSON

Na chwilę obecną pobieram sobie tekst JSON korzystając z kodu:

private async void button9_Click(object sender, EventArgs e)
{
string uri = "http://www.halfordsautocentres.com/webapp/wcs/stores/servlet/Gateway?action=findStores&responseType=json&storeId=11602&latitude=52.2719517&longitude=-1.8789762999999766&storeType=1";
HttpClient h = new HttpClient();
string r = await h.GetStringAsync(uri);
richTextBox2.Text = r;
}

Potrzebują z niego uzyskać informację adresowe. z pomocą Google udało mi się odszukać parsery online, które pokazują czytelną strukturę.
Znalazłem też http://json2csharp.com/ gdzie otrzymałem w wyniku kilka klas C#:

public class Attribute
{
    public string altText { get; set; }
    public List<object> derivedAttributes { get; set; }
    public string description { get; set; }
    public bool facility { get; set; }
    public bool facilityEnabled { get; set; }
    public string image { get; set; }
    public string name { get; set; }
    public bool service { get; set; }
    public bool serviceEnabled { get; set; }
    public bool storeType { get; set; }
    public bool superAttribute { get; set; }
    public string value { get; set; }
}

public class StorePagesUrl
{
    public bool categoriesView { get; set; }
    public int categoryId { get; set; }
    public bool homeView { get; set; }
    public bool listView { get; set; }
    public int productId { get; set; }
    public string spfId { get; set; }
    public bool storeView { get; set; }
    public string viewId { get; set; }
}

public class HighStreetStoreDetail
{
    public string address1 { get; set; }
    public string address2 { get; set; }
    public List<Attribute> attributes { get; set; }
    public string brand { get; set; }
    public bool collectionSupported { get; set; }
    public string countryCode { get; set; }
    public string county { get; set; }
    public double distance_in_miles { get; set; }
    public bool emergency { get; set; }
    public string emergencyText { get; set; }
    public string fax { get; set; }
    public bool fridayClosed { get; set; }
    public string fridayClosingTime { get; set; }
    public string fridayOpeningTime { get; set; }
    public List<object> holidays { get; set; }
    public string id { get; set; }
    public double latitude { get; set; }
    public double longitude { get; set; }
    public string managerId { get; set; }
    public string managerName { get; set; }
    public bool mondayClosed { get; set; }
    public string mondayClosingTime { get; set; }
    public string mondayOpeningTime { get; set; }
    public string name { get; set; }
    public string postcode { get; set; }
    public bool saturdayClosed { get; set; }
    public string saturdayClosingTime { get; set; }
    public string saturdayOpeningTime { get; set; }
    public string shortName { get; set; }
    public string storeDetailsPageUrl { get; set; }
    public StorePagesUrl storePagesUrl { get; set; }
    public bool sundayClosed { get; set; }
    public string sundayClosingTime { get; set; }
    public string sundayOpeningTime { get; set; }
    public string telephone { get; set; }
    public bool thursdayClosed { get; set; }
    public string thursdayClosingTime { get; set; }
    public string thursdayOpeningTime { get; set; }
    public string town { get; set; }
    public bool tuesdayClosed { get; set; }
    public string tuesdayClosingTime { get; set; }
    public string tuesdayOpeningTime { get; set; }
    public bool tyreFitAvailable { get; set; }
    public bool wednesdayClosed { get; set; }
    public string wednesdayClosingTime { get; set; }
    public string wednesdayOpeningTime { get; set; }
}

public class Status
{
    public int code { get; set; }
    public string message { get; set; }
}

public class RootObject
{
    public List<HighStreetStoreDetail> highStreetStoreDetails { get; set; }
    public double originLatitude { get; set; }
    public double originLongitude { get; set; }
    public Status status { get; set; }
} 

Mam tu uwzględnione kolejno wszystkie pola z tego JSON, tylko jak mam tego użyć.
Używam do tego VS Express 2013 for Desktop [C#]. Wersja .NET zapewne 4.5.

Spróbowałem tak i na debuggerze coś wyszło nawet:

 DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(RootObject));
RootObject user = (RootObject)serializer.ReadObject(GetStream(richTextBox2.Text));

Problem jam jak się dobrać do poszczególnych elementów w tym drzewku, czyli dla mnie ważny jest adres.
string name = user.highStreetStoreDetails.Count.ToString();

         /// <summary>
        /// Get Byte[] from String
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static byte[] GetBytes(string str)
        {
            byte[] bytes = new byte[str.Length * sizeof(char)];
            System.Buffer.BlockCopy(str.ToCharArray(), 0, bytes, 0, bytes.Length);
            return bytes;
        }

        /// <summary>
        /// Get Stream from String
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static Stream GetStream(string str)
        {
            return new MemoryStream(GetBytes(str));
        }

Dzięki za podpowiedź.