resignalling

Noun

 * 1)  The act of renewing signalling equipment.
 * 2) * 2018, Rail, issue 857, July 18-July 31, article on Severn Bridge Junction signal box at Shrewsbury:
 * "en"
 * "en"

- "The cost of resignalling is astronomical, and you'd be talking about hundreds of millions of pounds and a pretty lengthy blockade to rip all this stuff up and remodel the tracks."