In the first stage, which will last until about midnight on April 6, tram traffic in Nádražní Street in the Anděl – Na Knížecí section will be interrupted in both directions. Tram routes 2, 4, 5, 7, 12, 15, 20, 21, and 94 will be affected. Preparatory work will already start at around 8 pm on March 30, and start in earnest at the beginning of March 31.