A total of 39 tickets were issued to motorists who failed to switch on their headlights while driving on the highway between Keetmanshoop and Mariental over the weekend. The police in the //Karas and Hardap regions have appealed to road users to abide by all road signs and regulations as the violation of traffic rules is costly, Factors such as overtaking more than one vehicle at once, impatience among road users, speeding and driving under the influence of alcohol are the main contributors of road accidents.