My son, 14, was killed by a Lancashire HGV driver checking Facebook - I've lost my whole world
Joe Cairns, 14, was killed when HGV driver James Majury, from Chorley, ploughed into a school minibus on the M58 at Bickerstaffe in January 2019.
Majury - who had been using his phone throughout his journey - also killed support worker Anne Kerr, 50, and injured five others in the collision.
He was jailed for eight years and ten months for death by dangerous driving offences and two years and eight months for the causing serious injury offences.
Joe’s dad, Andy O'Dell, 55, said his son's death was "totally preventable".
The dad-of-three is now urging motorists to "think twice" before using their phones while driving.
Majury - who had been using his phone throughout his journey - also killed support worker Anne Kerr, 50, and injured five others in the collision.
He was jailed for eight years and ten months for death by dangerous driving offences and two years and eight months for the causing serious injury offences.
Joe’s dad, Andy O'Dell, 55, said his son's death was "totally preventable".
The dad-of-three is now urging motorists to "think twice" before using their phones while driving.