A 30 km log jam was created on the Dhaka-Tangail highway from Kaliakoir upazila on Sunday, inflicting immeasurable sufferings on home-bound people ahead of Eid-ul-Azha.Humayun Kabir, officer-in-charge of Gorai highway police, said the tailback was created on the road from Chandra intersection in the upazila to Elenga in Tangail because of the flow of the cattle-laden trucks on the highway in the morning, leaving several thousand vehicles stranded.Vehicles were seen moving bumper-to-bumper on the highway.The law enforcers are trying to control the situation, he added.