Crossrail is a major railway project in London, officially known as the Elizabeth Line. It aims to improve transportation across the city and surrounding areas by connecting existing rail networks. The line stretches over 100 kilometers, linking Reading and Heathrow Airport in the west to Shenfield and Abbey Wood in the east. The project includes new tunnels and stations, enhancing capacity and reducing travel times. It is expected to carry around 200 million passengers annually, providing a vital link for commuters and visitors. The Elizabeth Line officially opened in May 2022, marking a significant milestone in London's transport infrastructure.