UPGRADING work is in progress at the Taman Tun Dr Ismail (TTDI) interchange in Kuala Lumpur to reduce the congestion in the area.
The project is being carried out at a cost of RM133mil by Lingkaran Tranks Kota Sdn Bhd (Litrak), the concessionaire of the Damansara-Puchong Highway (LDP).
