The capital allocation for the Department of Transport, Tourism and Sport for the years 2019 to 2022 can be found in the recently published National Development Plan 2018-2027.
https://www.gov.ie/en/policy-information/07e507-national-development-plan-2018-2027/
As part of the National Development Plan 2018 - 2027 a document called the "Capital Tracker" is maintained by the Department of Public Expenditure and Reform which lists a range of projects and programmes to be delivered by all Departments over the period of the plan. This is published on the website of the Department of Public Expenditure and Reform.
https://www.gov.ie/en/publication/6db7c4-investment-projects-and-programmes-tracker/