Metro North is reporting delays of up to 90 minutes due to signal problems on the New Haven line. Around 6 a.m. Saturday Metro North reported that New Haven line customers should expect indefinite delays due to signal problems. Delays were updated to be about 90 minutes around 10 a.m. The signal problems caused delays of about 45 minutes for the Danbury, New Canaan and Waterbury branch services. Danbury and New Canaan branch service were back on schedule at about 10:30 a.m.