The Long Island Rail Road's Ronkonkoma Branch was on or close to schedule after delays due to signal trouble near Deer Park on Tuesday morning, the railroad said.
The LIRR suspended service earlier in both directions on the branch east of Hicksville, the railroad said in service advisories. The suspension lasted from about 6 a.m. to 6:30 a.m.
After that, the railroad advised of hourlong delays and possible cancellations until just before 7 a.m. Over the next hour, delays went down to 30 minutes, then 15 minutes and back to on or close at 8 a.m.
LIRR personnel were on the scene for the signal trouble earlier, the railroad said. At least one westbound train was canceled and customers were advised to use other lines.
The railroad did not have further information on the cause of the signal trouble, an LIRR spokeswoman said.
Elsewhere, switch trouble at the Long Beach station canceled at least one westbound train and delayed another.
The railroad is working on the Ronkonkoma Branch's Wyandanch station this week as part of the Double Track project, meaning all trains must use the new south side platform, the LIRR said in earlier public notices. The work started Monday and will end Saturday.