大山脚
Rapid Penang's routes 606, 701, 702, 707, 709 and 802 serve the residents of Bukit Mertajam, connecting the area with other parts of Seberang Perai, such as Butterworth, Perai, Juru, Simpang Ampat and Nibong Tebal. These routes are complemented by Rapid Penang's Congestion Alleviation Transport (CAT), a free-of-charge transit service within Bukit Mertajam. Cityliner also operates an additional bus route between Bukit Mertajam and Butterworth.