The first phase was from the Damansara–Puchong Expressway to the Persiaran Utara interchange, the second from Persiaran Utara to Dengkil, the third from Dengkil to Sepang and the fourth from Sepang to Kuala Lumpur International Airport (KLIA).

[2] Compared to other expressways, there are many hazards along certain stretches such as broken street lamps and dangerously uneven road surface.

Most motorcyclists avoided using the designated lanes due to untrimmed tree branches jutting out into the lane, sand on the road, unlit tunnels and flooding.

At most sections, the Federal Route 29 was built under the JKR R5 road standard, allowing maximum speed limit of up to 90 km/h.

Driving conditions on this expressway can be hazardous, with unlit street lights, twisted guard rails and poorly maintained road surface.