British Transport Police (BTP) are appealing for new information about the incident at the Thorpe Lane level crossing in June.
A car was struck by a train at Thorpe Lane level crossing Shortly after 11am on June 9.
The occupants of the vehicle, a man and a child were taken to hospital for assessment but were later discharged.
A spokesman for BTP said: “Today, officers investigating this collision are appealing for fresh witnesses to get in touch.
“In particular, they are looking to speak with a cyclist seen near to the level crossing at the time of the impact.
“Likewise, anyone who saw a grey Peugeot 307 outside the Hand in Hand public house in Trimley St Martin shortly before the collision should get in touch.”
Anyone with information should contact BTP by sending a text to 61016 or by calling 0800 40 50 40 quoting reference 222 of 09/06/2018.
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