var page = require('webpage').create();
var fs = require('fs');
var path = 'page.html';
var url='http://bus.gov.ru/pub/agency/8968/tasks/3472492';
page.open(url, function (status) {
  console.log('status:',status);
  var content = page.content;
  fs.write(path,content,'w');
  phantom.exit();
});

 bash-3.2$ phantomjs render.js 
Error: [$injector:modulerr] Failed to instantiate module gmuApp due to:
[$injector:nomod] Module 'gmuApp' is not available! 
You either misspelled the module name or forgot to load it. 
If registering a module ensure that you specify the dependencies as the second argument.

 from selenium import webdriver
driver = webdriver.Firefox(executable_path='/usr/local/bin/geckodriver')
url = 'http://bus.gov.ru/pub/agency/8968/tasks/3472492'
driver.get(url)
html = driver.page_source
f = open("f.html","w+")
for i in html:
    f.write(i.encode("utf-8"))
f.close()

 from selenium import webdriver
from bs4 import BeautifulSoup as BS
def get_page_html(url):
    driver = webdriver.Firefox()#Движок в коде с проектом, по этому путь не указан
    driver.get(url)
    html = driver.page_source
    driver.quit()
    return html
def pars(html):
    soup = BS(html, 'lxml')
    return soup.find('div', class_='info-date ng-binding ng-scope').text.strip()
def main(urls):
    for url in urls:
        print(pars(get_page_html(url)))
if __name__ == '__main__':
    main(['http://bus.gov.ru/pub/agency/8968/tasks/3472492',
          'http://bus.gov.ru/pub/agency/8968/plans',
          'http://bus.gov.ru/pub/agency/8968/operations/'
          ])