Line 4A (Phnom Penh Bus Rapid Transit)

Line 4A (ខ្សែទី៤A) is a route of the Phnom Penh City Bus network in Phnom Penh, Cambodia. It runs northeast to southwest.

The line is represented in the official Phnom Penh City Bus map by Lavender.

History
This line used to be represented by the color Purple but switched to Lavender when Line 09 was added in January 2018.