The missing link', which will consist of a cable-stayed bridge, a viaduct, and two tunnels and reduce distance and travel time, will be finished by December 2023 or early 2024. After it is completed, it will be possible to bypass the ghats, not have to worry about falling boulders during the monsoon while driving past steep slopes, and travel at up to 120 kmph on the Mumbai-Pune expressway., Mumbai News, Times Now