New modelling suggests that Brisbane motorists could be delayed at some level crossing boom gates for up to 50 minutes of the morning peak hour as train services increase after the Cross River Rail opens.

Advocacy group Better Transport Queensland has estimated the impact of more frequent trains on gate down time at some rail crossings in greater Brisbane.

North of Brisbane, the worst delays would be felt at Todds Road in Lawnton which would have gates down for 50 minutes of the hour between 7am and 8am if the frequency of trains increased to 24 per hour.

The modelling also suggested level crossing gates would be down for 46 minutes of the hour at Bilsen Road in Geebung, 45 minutes at South Pine Road in Strathpine, and 32 minutes at Northgate Road in Northgate.

Level crossings in south

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