A stretch of Sydney's $2.9 billion light rail line had almost 250 incidents – ranging from motorists failing to stop at lights to pedestrian "violations" – in two months, underscoring the safety risks of integrating trams into a congested city.

The line between Circular Quay and Randwick will open to passengers on Saturday, about nine months late and almost double the original budget. A branch of the line past the University of NSW to Kingsford is expected to open three months later.

The light rail line will open to passengers on Saturday. Credit:Renee Nowytarger

Internal reports by Spanish construction company Acciona, obtained by the Herald, show the "most frequent hazardous events" by far have been motorists entering the tramway corridor.

The 248 incidents – equivalent to about four a day – reported by tram drivers from May 13 to July 11 during testing along the line included "near misses" due to vehicles failing to stop for red-light arrows near Randwick Racecourse.