Ministry of Railways (MoR) has sanctioned detailed project report (DPR) for various projects for higher speed potential of 160 kmph in Kerala. These are as follows:
- Shoranur-Mangalore project involves building 307 km long third and fourth railway lines from Shoranur to Mangalore.
- Coimbatore-Shoranur project involves building 99 km long third and fourth railway lines from Coimbatore to Shoranur.
- Shoranur-Ernakulam project involves building a 106 km long third railway line from Shoranur to Ernakulam.
- Ernakulam-Kayankulam (via Kottayam) project involves building a 115 km long third railway line from Ernakulam to Kayankulam via Kottayam.
- Kayankulam-Thiruvananthapuram project involves building a 105 km long third railway line from Kayankulam to Thiruvananthapururam.
- Thiruvananthapuram-Nagercoil project involves building a 71 km long third railway line from Thiruvananthapuram to Nagercoil.
- Turavur-Ambalappuzha project involves doubling the 46 km long railway line from Turavur to Ambalappuzha.