UPDATE, 7:07 a.m.: Service delays are still in effect, with New Haven Line customers likely to face 10-20 minute delays. Along the Danbury Branch line, ongoing construction to&nbsp;replace the line&amp;#8217;s signal system means that bus service will be substituted for the 9:37 a.m., 12:21 p.m. and 2:54 p.m. trains out of Danbury, as well as [...]