Since when is the GDL effective? By Ian Poultney Posted April 15, 2015 In Since when is the GDL effective?2015-04-152015-04-15https://www.aiskae.com/wp-content/uploads/2015/05/logo.pngAiskae Driving Schoolhttps://www.aiskae.com/wp-content/uploads/2015/05/logo.png200px200px 0 The GDL law became effective January 1, 2001. Ian Poultney Recent Posts10 THINGS A NEW DRIVER SHOULD AVOIDWinter Weather Driving TipsWhy Should I Care About a Few Points On My License?Weird Driving Laws Of New Jersey