It is worth considering how the release of the Sydney Metro train line (Australia's biggest public transport project) have impacted property prices over recent years.
The faster Metro train transport links generate numerous benefits including creation of facilities such as cafes, restaurants, and shopping centres near these areas, making them very attractive to a range of buyers, This is discussed further in the article here by RealEstate - https://www.realestate.com.au/news/sydney-metro-line-suburbs-record-huge-growth-in-population-and-home-values..
Lets pick 6 train stops on the Metro train line and look at median house prices in these suburbs over the last 10 years to visualise the impacts - Castle Hill, Norwest, Rouse Hill, North Ryde, Chatswood, Crows Next.
As seen below, in all cases (except Norwest), prices have grown at least 5-6% annually over the period.