A tender has been published for National Highways Authority of India Installation of 2 Nos of Solar powered Traffic signal at ch. km 4. 400 and Ch. km 5. 350 in NH 66 under the jurisdiction of PIU Thiruvananthapuram in the State of Kerala under short term blackspot rectification work - 2nd Call in THIRUVANANTHAPURAM, KERALA by. Submission Deadline: 29-11-2025 18: 00: 00. Check eligibility and apply.