Lingkaran Trans Kota Holdings Berhad is engaged in investment holding and the provision of management services to the subsidiaries. The principal activities of the subsidiaries are to design, construct, operate and maintain Lebuhraya Damansara-Puchong (LDP), and to manage its toll operations and investment holding. The Company operates through segments, including highway and others. The highway segment is engaged in tolling operations and highway maintenance. The others segment is engaged in investment holding. The Company is engaged in construction works on the ground level of mass rapid transport and light rail transit extension projects along certain stretches of LDP and Sistem Penyuraian Trafik KL Barat Holdings Sdn Bhd (SPRINT) Highway. Its LDP and SPRINT services include auxiliary police, traffic surveillance control, and lay-bys and rest areas. Its subsidiaries include Lingkaran Trans Kota Sdn Bhd, Penyenggaraan Litrak Sdn Bhd, Midawasa Sdn Bhd and ETC Links Sdn Bhd.