"train accident" is correct and can be used in written English.
Example sentence: There were numerous injuries reported in the train accident last week.
"I was injured in a train accident".
It was the country's worst train accident in 25 years.
Like a waste of time that, since the train accident, suddenly seemed all too precious.
In 2010, at least 150 people died after a train accident in West Bengal.
More usually, vehicular accidents — car wrecks, a plane crash, a train accident — serve the thunderbolt function.
His legs, severed at the calves in a 1993 train accident, are two feet long.
Nobody can guarantee there will never be a train accident or spill.
Witnesses described the horror of the train accident, the worst in India since 2010.
"It's now 29 days since you were tragically killed in a mysterious train accident," they stated.
This is the third major train accident (The Times of India) in the country in the past two months.
One recalled the way Dr. Taylor prayed with him after the death of his sister in a train accident.
