Section 35. Restriction as to Speed. —

1. Any person driving a motor vehicle on a highway shall drive the same at a careful and prudent speed, not greater nor less than is reasonable and proper, having due regard for the traffic, the width of the highway, and of any other condition then and there existing; and no person shall drive any motor vehicle upon a highway at such a speed as to endanger the life, limb and property of any person, nor at a speed greater than will permit him to bring the vehicle to a stop within the assured clear distance ahead.

2. Subject to the provisions of the preceding paragraph, the rate of speed of any motor vehicle shall not exceed the following:

   MAXIMUM ALLOWABLE SPEEDS

   	Passengers Cars and Motorcycle	Motor trucks and buses
   1. On open country roads, with no "blinds corners" not closely bordered by habitations.	80 km. per hour	50 km. per hour
   2. On "through streets" or boulevards, clear of traffic, with no " blind corners," when so designated.	40 km. per hour	30 km. per hour
   3. On city and municipal streets, with light traffic, when not designated "through streets."	30 km. per hour	30 km. per hour
   4. Through crowded streets, approaching intersections at "blind corners," passing school zones, passing other vehicles which are stationary, or for similar dangerous circumstances.	20 km. per hour	20 km. per hour

3. The rates of speed hereinabove prescribed shall not apply to the following:

   1. A physician or his driver when the former responds to emergency calls;

   2. The driver of a hospital ambulance on the way to and from the place of accident or other emergency;

   3. Any driver bringing a wounded or sick person for emergency treatment to a hospital, clinic, or any other similar place; aisa dc

   4. The driver of a motor vehicle belonging to the Armed Forces while in use for official purposes in times of riot, insurrection or invasion;

   5. The driver of a vehicle, when he or his passengers are in pursuit of a criminal;

   6. A law-enforcement officer who is trying to overtake a violator of traffic laws; and

   7. The driver officially operating a motor vehicle of any fire department, provided that exemption shall not be construed to allow unless or unnecessary fast driving of drivers afore-mentioned.