•
19 June 2021 – While the expressway was under construction, a stop-work order had been issued immediately following an incident which occurred above the
New Klang Valley Expressway's Kota Damansara Interchange 107. The incident involved a metal
scaffolding that fell off a dozen-meter high pillar, injuring two Bangladeshi workers. The injured workers were rushed to
Sungai Buloh Hospital for treatment, unfortunately one of them died on the following day. Since the crash occurred in a closed area, no motorists were injured. •
20 October 2022 – A food delivery motorcyclist was killed after his motorcycle
skidded and crashed into a highway divider through the full-enclosure noise barriers westbound from Penchala Interchange. The victim was taken to
University Malaya Medical Centre for
post-mortem. •
25 February 2025 – A 30-year-old female motorcyclist collided with a car and was flung from a height of 30 to 35 metres into the
Penchala River. She was pronounced dead at the scene. •
24 July 2025 – A 23-year-old man was killed after his motorcycle skidded and plunged approximately 21 metres onto a grassy area along Persiaran Pulau Angsa. •
23 August 2025 – A 19-year-old culinary student died from a severe head injury after his motorcycle crashed into a barrier and fell at the same location where the previous accident occurred on 24 July. and
Damansara–Puchong Expressway inside a fully-enclosure noise barrier tunnel == Tolls ==