GTA V .NET get speed limit

//made by w35 of LCPDFR.com. slight modifications by me
public static int GetSpeedLimit(string streetName)
{
    Ped character = Game.Player.Character;
    Vector3 pos = character.Position;
    int result = 45;

    if (!str.Contains("Los Santos Freeway") && !str.Contains("Los Santos Fwy") && !str.Contains("Del Perro") && !str.Contains("Olympic") && !str.Contains("La Puerta"))
    {
        if (!str.Contains("Great Ocean") && !str.Contains("Tongva Dr") && !str.Contains("Senora Fwy") && !str.Contains("Palomino Fwy") && !str.Contains("Senora Freeway") && !str.Contains("Palomino Freeway") && !str.Contains("Elysian Fields") && !str.Contains("Route") && !str.Contains("Droga") && !str.Contains("68"))
        {
            if (str.Contains("Senora Rd"))
            {
                if (str.Contains("County"))
                {
                    result = 60;
                }
                else
                {
                    result = 35;
                }
            }
            else if (!str.Contains("Panorama Dr"))
            {
                if (!str.Contains("Joshua Rd"))
                {
                    if (str.Contains("Baytree Canyon Rd"))
                    {
                        if (pos.X <= 426.0f && pos.Y <= 2123.0f && pos.Y >= 1698.0f)
                        {
                            result = 35;
                        }
                        else
                        {
                            result = 50;
                        }
                    }
                    else if (!str.Contains("County"))
                    {
                        if (str.Contains("City"))
                        {
                            result = 25;
                        }
                        else
                        {
                            result = 0;
                        }
                    }
                    else
                    {
                        result = 35;
                    }
                }
                else if (pos.Y >= 3483.0f)
                {
                    result = 50;
                }
                else
                {
                    result = 60;
                }
            }
            else
            {
                result = 50;
            }
        }
        else
        {
            if (str.Contains("City"))
            {
                result = 45;
            }
            else
            {
                result = 60;
            }
            if (str.Contains("68") && pos.X > 1566.0f)
            {
                result = 50;
            }
        }
    }
    else if (!str.Contains("City"))
    {
        result = 60;
    }

    return result;
}