KUALA LUMPUR: The competition for toll roads is heating up. While Widad Business Group Sdn Bhd announced it is upping its offer for PLUS Malaysia Bhd to RM5.3 billion cash, competing buyer businessman Tan Sri Halim Saad (pic) is said to have submitted a proposal to the government to take over toll roads owned by Gamuda Bhd and Lingkaran Trans Kota Holdings Bhd (Litrak), according to sources familiar with the matter.