Safety Fitness Program Expansion

Hours Of Service Rules

The following Hours of Service rules and restrictions apply to all drivers of heavy vehicles.

Download the Hours of Service Rules (PDF, 550 KB)

Drivers must comply with all of the following Rules:

  • rules for the day
  • rules for the work shift
  • rules for cycles

Rules for the Day

A ‘"day" is a 24-hour period designated by the operator, and is the period of time covered by one log page. Generally, a day is from midnight to midnight. 

  • A driver may not
    • drive after accumulating 13 hours of driving time in a day
    • drive after accumulating 14 hours of on-duty time (including a maximum of 13 hours of driving time) in a day
  • A driver must take at least 10 hours off duty each day.

Rules for the Work Shift

A “core rest” is a period of at least eight consecutive hours of off duty time.
A “work shift” is the time between the end of one core rest and the beginning of the next core rest.

  • A driver may not:
    • drive after accumulating 13 hours of driving time in a work shift
    • drive after accumulating 14 hours of on-duty time (including a maximum of 13 hours of driving time) in a work shift
    • drive after 16 hours have elapsed (including all driving time, on-duty time and off duty time) since the beginning of the work shift
  • A driver must:
    • take at least eight consecutive hours off duty before beginning a new work shift;
    • take at least two additional hours of off-duty time in addition to the eight hours of a core rest.  This time must be taken in blocks of at least 30 minutes.  Some examples are:
      • one hour for lunch and one hour for dinner
      • three-quarters of an hour for lunch, three-quarters of an hour for dinner and another half- hour break
      • four half-hour breaks during the work shift
  • NOTE: Breaks lasting a quarter-hour (15 minutes) are still considered off duty, but they do not contribute towards the rest requirements.

Rules for Cycles

Cycle rules govern a driver’s on-duty time over a period of days. There are two cycles. A driver must be in compliance with either Cycle 1 or Cycle 2. The driver must declare on their daily log which cycle is being used.

  • Cycle 1:
    • A driver may not drive after accumulating 70 on-duty hours in any period of seven days.
    • A driver must take at least 24 consecutive hours off duty at least once every 14 days.
  • Cycle 2:
    • A driver may not drive after accumulating 120 on-duty hours in any period of 14 days.
    • A driver may not exceed 70 hours of on-duty time without taking at least 24 consecutive hours off-duty.

Resetting a Cycle

  • A driver who is using Cycle 1 and wishes to end it and begin a new cycle (whether Cycle 1 or Cycle 2) must take at least 36 consecutive hours off duty.
  • A driver who is using Cycle 2 and wishes to end it and begin a new cycle (whether Cycle 1 or Cycle 2) must take at least 72 consecutive hours off duty.