Notches “with a suitable geometric sample” had been additionally discovered on the right-sided wheels of three different trains that had travelled on the identical monitor within the hours earlier than the accident, the CIAF added.
Primarily based on the out there data, “we are able to put ahead the speculation that the cracking of the monitor came about earlier than the passage of the Iryo prepare that suffered the accident, and due to this fact earlier than the derailment”, it wrote.
The CIAF cautioned that “this speculation… should be corroborated by later detailed calculations and evaluation”.
Transport Minister Oscar Puente has mentioned the flat, straight stretch of monitor in query had been just lately renovated, whereas the Iryo prepare was “virtually new”.
Human error has additionally been dominated out because the trains had been travelling inside the velocity restrict.
Investigators proceed to look at the scene for proof.
