private void btnGo_Click(object sender, EventArgs e)
        {
            webBrowser.Navigate(@"https://metro.yandex.ru/moscow?from=96&to=62&route=0");
            while (webBrowser.IsBusy)
            {
                Application.DoEvents();
            }

        }

        private void btnGetHtml_Click(object sender, EventArgs e)
        {
            File.WriteAllText(@"C:\subway.html", webBrowser.DocumentText);
        }

<span class="route-list-item__time">&#8776;&nbsp;23 мин.</span>

      var htmlDocument = (IHTMLDocument2)webBrowser.Document.DomDocument;
            foreach (IHTMLElement element in htmlDocument.all.OfType<IHTMLSpanElement>())
            {
                var classAttribute = element.className;
                if (classAttribute == "route-list-item__time")
                {
                    var durationText = element.innerHTML;
                    var durationRegex = new Regex(@"^&#8776;(&nbsp;(?<Hours>\d+) ч\.)?(&nbsp;(?<Mins>\d+) мин\.)?");
                    var match = durationRegex.Match(durationText);

                    if (match.Success == false)
                        throw new Exception();

                    var hourText = match.Groups["Hours"].Value;
                    var minText = match.Groups["Mins"].Value;
                    var duration = 0d;

                    if (!String.IsNullOrWhiteSpace(hourText))
                        duration += double.Parse(hourText.Trim()) * 60;

                    if (!String.IsNullOrWhiteSpace(minText))
                        duration += double.Parse(minText.Trim());

                    return duration;

                }
            }
            throw new Exception();

  private List<string> GetStations()
        {
            var result = new List<string>();
            var htmlDocument = (IHTMLDocument2)webBrowser.Document.DomDocument;
            foreach (IHTMLElement element in htmlDocument.all.OfType<IHTMLDivElement>())
            {
                var classAttribute = element.className;
                if (classAttribute == "route-details-block__terminal-station")
                {
                    result.Add(element.innerText);
                }
            }
            return result;

        }