The forecast for the share of high-speed rail lines in the UK's total rail network remains constant at 0.46 from 2024 to 2028. In 2023, high-speed rail also accounted for 0.46 of the network, indicating no percentage growth year-on-year over this period. Consequently, the Compound Annual Growth Rate (CAGR) over five years is 0% as the proportion remains unchanged.
Future trends to watch for include potential policy changes impacting high-speed rail infrastructure investment, technological advancements in rail systems, and shifts in public and government priorities towards sustainable transportation alternatives.