Network Rail is confident that the £100 upgrade to track and signals in Nottinghamshire will provide huge benefits despite weeks of disruption ahead.
Justin Page, Route Master for the East Midlands, said when finished, the work will mean shorter journey times, more trains and a more reliable service in the county and throughout the region.
More top news
It will be largely dry but some fog may be slow to clear.
Any fog patches slow to clear during the morning.
The Fire and Rescue service were called to Lynmouth Close in Leicester on Friday night.