If you fail the CO Driving Exam, you will not receive your CO Driver's License. You will be able to retake the test as early as the next business day if there is an available slot. But do not rush retaking your exam. You should pay attention to what your examiner indicates as your weaknesses and you should work upon improving those skills before you retake your CO Driving Exam.
Your examiner wants to see that you are capable of driving safely and effectively. During your CO Driving Exam, you want to make sure that you are not driving too quickly or too slowly; you want to accelerate smoothly and gradually. Obey all stop signs and traffic signals, do not tailgate other vehicles and stay in the correct lane. You should also know what various street signs and traffic signals indicate to drivers on the road.