Public transport experts are warning we may be facing a winter of staff strikes.
There was major disruption yesterday as train drivers at Irish Rail walked off the job in a row over pay and productivity.
A spokesperson for Irish Rail said a deal is still some way off.
Up to 40,000 people are believed to have been affected by the rush hour action.
There is a second work stoppage planned in November.
Industry Correspondent for the Irish Times Martin Wall says that probably won't be the end of it.
Speaking on Talking Point with Sarah Carey this morning, Mr Wall said, "the likelihood is without any further developments or interventions they will plan for further stoppages. This is something that could run and run.
"That is just in one company. There are other disputes. The staff in Luas are looking for pay parity with staff, ironically, on the trains. The NBRU have also raised a flag in relation to a pay claim in Dublin Bus," he added.
You can listen back to Martin's full analysis below, where he started by explaining the motivations behind yesterday's industrial action: