A sign naming Tedem Civil Engineering as the site's developer | Qalandiya Checkpoint | Photographed by Esti TzalA sign naming Tedem Civil Engineering as the site's developer | Qalandiya Checkpoint | Photographed by Esti Tzal

Tedem specializes in management and planning of transportation systems. The company manages the rails electrification project for Israel Railways, a $550 Million project, starting in 2002 and due to end in 2013. This project includes the electrification of route A1 for the fast Tel Aviv - Jerusalem train, crossing into the occupied West Bank in two areas.

The company was also involved in the construction of the Qalandia checkpoint in the West Bank.