The Main Eastern Highway (Punalur- Pathanamthitta- Ponkunnam- Pala- Muvattupuzha) also passes through Ponkunnam. Main Eastern Highway is categorized as State Highway - 08 ( SH-08 ) of Kerala. It is the second-longest State Highway of Kerala covering a distance of . The districts it passes through are Kollam, Pathanamthitta, Kottayam, Idukki, and Ernakulam. These highways connect Ponkunnam to Muvattupuzha MC Road(SH-01). The Ponkunnam- Pala- Thodupuzha- Muvattupuzha stretch of Main Eastern Highway was upgraded in 2016 to a width of . The two-lane highway, which connects Ponkunnam To Muvattupuzha over within 80 minutes. This makes it easy to access for the people of Highranges, tourists to Thekkady and pilgrims of Sabarimala to reach Muvattupuzha, Angamaly and Kochi. The Highway becomes congested during the months of November and December due to Sabarimala pilgrims.