Nottingham Forest in the FA Cup semi-final and London Marathon mean more people travelling.
Essential engineering work means East Midlands Railway (EMR) and Thameslink trains all using high level platforms at St Pancras and EMR will run a limited service.
Queuing systems will be in place at stations and trains are expected to be full and standing.
EMR Community Fund Awards Grant to Help Create Event Space Near Alfreton
Terminus Park will provide valuable outdoor community space for local events and education
The site will also include a display area for historic artefacts from London St Pancras Station – helping to explain the area's historic role in constructing parts of the iconic London landmark.
