skip-first-and-convert.cs

public static Transport[] Convert(object list)
{
    return Convert((object[])list);
}

// 1
public static Transport[] Convert(object[] list)
{
    return list.Select<object, Transport>(o =>
       {
           object[] transport = o as object[];
           if (transport == null)
           {
               return null;
           }
                       
           return new Transport((string)transport[0], (string)transport[1]);
       }).Where<Transport>(t => t != null).ToArray<Transport>();
}

// 2
public static Transport[] Convert(object[] list)
{
    return list.OfType<object[]>().
       Select<object[], Transport>(o => new Transport((string)o[0], (string)o[1])).
       ToArray<Transport>();
}

// 3 SQL
public static IEnumerable<Transport> Convert(object[] list)
{
   return from o in list.OfType<object[]>()
          select new Transport((string)o[0], (string)o[1]);
}