ATP ATO Collective Questions 2013 to 1999

[asrisaku]

Thanks PJW for making comments!

I was wondering ATP can be implied as Cab signalling?
Can TPWS be implied as ATP?
Is there any possibility to have SPADs when we have ATP system on? Human input error about train length, max permissible speed, track data, speed restriction?
When people say ATP is a failed safe system, what does it mean? Safe movement when anything is failed? Is it possible to have malfunction in ATP?
Is it true that ATP cannot have ability to detect train derailment?
Can TPWS and ATP work together? Is it called TPWS-E?

Thanks in advance if you can help me out.

Best regards, Arnut