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Hours of Service (both Old and New)

04/04/2004 -- Please visit the new Hours of Service Information area for a complete list of the New USA 2004 Rules Click Here

New 2004 Hours of Service rules is another aspect of a truckers logs that needs some explanation. The rule will be explained for USA drivers.  Canadian versions of the rules are explained below.

In the USA drivers are governed by the 70hr/8day or 60hr/7day rules.  Motor carriers that operate 7 days a week use the 70hr/8day rule and motor carriers that operate 6 days a week or less use the 60hr/7day rule.  There is a special provision for Oil Field, Utility Drivers, which will be described below.

I will try to explain the most commonly applied rule - 70hr/8day.   This rule states that a driver cannot Drive after accumulating 70 hours of Work in 8 daysWork is defined as the Driving and On Duty Not Driving duty status hours. (Line 3 and 4 on the Duty Log)

Do not confuse the 11hr and 14hr rules with the 70hr/8day rule.  The 11hr and 14hr rule are defined here for convenience.
11hr rule: A driver cannot Drive after Driving 11 hours without taking 10+ hours Off Duty.
14hr rule: A driver cannot Drive after being on-duty (includes all off-duty (line 1)), Sleepers (excluded a single sleeper) ((Line 2)), Driving ((Line 3)), and On-Duty not Driving)), without taking 10 hours Off Duty. See Off-Duty for explanation of what is off-duty
Each rule- 11hr, 14hr, and 70hr/8day - is applied independently on the duty status records recorded by the vehicle driver.

Now back to the 70hr/8day rule.  A vehicle driver, doing this calculation manually,  uses a 'Recap' or a 'Monthly Summary' table to evaluate how many hours a vehicle driver has available to drive tomorrow or today (the current log).  DDL calculates the hours available to work on a log day.  A user of DDL can see the hours available tomorrow, by setting the current log day in DDL to tomorrow and look at the hours available today.  The calculation for the hours available today will be described, and is illustrated in DDL by selecting the 'Details' button on the Recap display for each log day.

A way to 'visualize' how the 70hr/8day rule works is to try look at the rule as a sliding window of 8 days that covers the current log day and the previous 7 log days for a total of 8 log days.  Each log day is evaluated individually as follows:

1. Add up the hours worked (Line 3 and 4) for the preceding 7 days to the log day being evaluated.
2. Calculate the hours available on the log day by subtracting the hours worked for 7 previous days from 70
3. Subtract the hours worked on the log from the hours available on the log day.   This is called the Sub-Total.  A positive value is safe, but a negative value indicates that a violation might be possible. A violation occurs if you Drive after 'consuming' the available hours for the log day, i.e. after working 70hrs during the 8 days including the log day.  Stated another way, it is possible to Drive during the first hours of the day, and be On Duty Not Driving when the 70hr mark is reached, and you will not be in violation.

Here are some examples to consider for 70hr/8day rule.  The important point is the calculation of the available hours on a log day. 

Day

Hours Worked on Day

Day 8

Day 9

Day 10

Day 11

1

8.00

8.00

2

0.00

0.00

0.00

3

9.50

9.50

9.50

9.50

4

7.50

7.50

7.50

7.50

7.50

5

11.00

11.00

11.00

11.00

11.00

6

6.25

6.25

6.25

6.25

6.25

7

12.50

12.50

12.50

12.50

12.50

8

9.50

9.50

9.50

9.50

9.50

9

8.00

8.00

8.00

8.00

10

7.00

7.00

7.00

11

4.75

4.75

Hrs Worked Prev 7 days

54.75

56.25

64.25

61.75

Sum of Hours worked Prev 7 days

Hrs Avail on Day

15.25

13.75

5.75

8.25

70 hours - Hrs Worked Prev 7 days

Hrs Worked on day

9.50

8.00

7.00

4.75

Sub-Total

5.75

5.75

-1.25

3.50

Hrs Avail minus Hours Worked


USA Exceptions.

The Federal Motor Carrier Safety Regulations (FMCSR) 395.1 (d),(l),(m),(n),(o)
Provides an exception to the Hours of Service Rules. In particular, the 8 or 7 consecutive day running clock is reset at the beginning of any 24 or more successive Off Duty hours.
FMCSR 395.1(d) Apply this rule for drivers involved with Oil Field Operations.
FMCSR 395.1(l) Apply this rule for drivers involved with Ground Water Well Drilling Operations.
FMCSR 395.1(m) Apply this rule for drivers involved with Construction Materials And Equipment.
FMCSR 395.1(n) Apply this rule for drivers involved with Utility Service Vehicles.
FMCSR 395.1(o) Apply this rule for drivers involved with Short Haul Driver.
Make sure you are entitled to use this provision before you 'turn on' this provision in the USA rules.  Check with your motor carrier safety/log department.

FMCSA Logs - Federal Motor Carrier Safety Administration - The 'Ins and Out's of Logs - for more information.

Old Hours of Service (Applies to Passenger Carrying Drivers Only) rules is another aspect of a truckers logs that needs some explanation. The rule will be explained for USA drivers.  Canadian versions of the rules are explained below.

In the USA drivers are governed by the 70hr/8day or 60hr/7day rules.  Motor carriers that operate 7 days a week use the 70hr/8day rule and motor carriers that operate 6 days a week or less use the 60hr/7day rule.  There is a special provision for Oil Field, Utility Drivers, which will be described below.

I will try to explain the most commonly applied rule - 70hr/8day.   This rule states that a driver cannot Drive after accumulating 70 hours of Work in 8 daysWork is defined as the Driving and On Duty Not Driving   duty status hours.

Do not confuse the 10hr and 15hr rules with the 70hr/8day rule.  The 10hr and 15hr rule are defined here for convenience.
10hr rule: A driver cannot Drive after Driving 10 hours without taking 8+ hours Off Duty.
15hr rule: A driver cannot Drive after Working (Driving + On Duty Not Driving) 15 hours without taking 8+ hours Off Duty.
Each rule- 10hr, 15hr, and 70hr/8day - is applied independently on the duty status records recorded by the vehicle driver.

Now back to the 70hr/8day rule.  A vehicle driver, doing this calculation manually,  uses a 'Recap' or a 'Monthly Summary' table to evaluate how many hours a vehicle driver has available to drive tomorrow or today (the current log).  DDL calculates the hours available to work on a log day.  A user of DDL can see the hours available tomorrow, by setting the current log day in DDL to tomorrow and look at the hours available today.  The calculation for the hours available today will be described, and is illustrated in DDL by selecting the 'Details' button on the Recap display for each log day.

A way to 'visualize' how the 70hr/8day rule works is to try look at the rule as a sliding window of 8 days that covers the current log day and the previous 7 log days for a total of 8 log days.  Each log day is evaluated individually as follows:

1. Add up the hours worked for the preceding 7 days to the log day being evaluated.
2. Calculate the hours available on the log day by subtracting the hours worked for 7 previous days from 70.0.
3. Subtract the hours worked on the log from the hours available on the log day.   This is called the Sub-Total.  A positive value is safe, but a negative value indicates that a violation might be possible. A violation occurs if you Drive after 'consuming' the available hours for the log day, i.e. after working 70hrs during the 8 days including the log day.  Stated another way, it is possible to Drive during the first hours of the day, and be On Duty Not Driving when the 70hr mark is reached, and you will not be in violation.

Here are some examples to consider for 70hr/8day rule.  The important point is the calculation of the available hours on a log day. 

Day

Hours Worked on Day

Day 8

Day 9

Day 10

Day 11

1

8.00

8.00

2

0.00

0.00

0.00

3

9.50

9.50

9.50

9.50

4

7.50

7.50

7.50

7.50

7.50

5

11.00

11.00

11.00

11.00

11.00

6

6.25

6.25

6.25

6.25

6.25

7

12.50

12.50

12.50

12.50

12.50

8

9.50

9.50

9.50

9.50

9.50

9

8.00

8.00

8.00

8.00

10

7.00

7.00

7.00

11

4.75

4.75

Hrs Worked Prev 7 days

54.75

56.25

64.25

61.75

Sum of Hours worked Prev 7 days

Hrs Avail on Day

15.25

13.75

5.75

8.25

70 hours - Hrs Worked Prev 7 days

Hrs Worked on day

9.50

8.00

7.00

4.75

Sub-Total

5.75

5.75

-1.25

3.50

Hrs Avail minus Hours Worked


USA Exceptions.

The Federal Motor Carrier Safety Regulations (FMCSR) 395.1 (d),(l),(m),(n)
Provides an exception to the Hours of Service Rules. In particular, the 8 or 7 consecutive day running clock is reset at the beginning of any 24 or more successive Off Duty hours.
FMCSR 395.1(d) Apply this rule for drivers involved with Oil Field Operations.
FMCSR 395.1(l) Apply this rule for drivers involved with Ground Water Well Drilling Operations.
FMCSR 3951(m) Apply this rule for drivers involved with Construction Materials And Equipment.
FMCSR 3951(n) Apply this rule for drivers involved with Utility Service Vehicles.

Make sure you are entitled to use this provision before you 'turn on' this provision in the USA rules.  Check with your motor carrier safety/log department.

FMCSA Logs - Federal Motor Carrier Safety Administration - The 'Ins and Out's of Logs - for more information.


Canada HOS rules.

Canada implements the 60hr/7day and 70hr/8day rules just like the USA.  Canada adds the 120hr/14day rule which has the 'wrinkle' that a 24 hour off duty is required before 75 hours of work is accumulated.   Canada further adds the provision that lets a motor carrier specify that a vehicle driver may apply more than one Hours of Service rule to a log day, and may use the results of the rule that is most favorable to the vehicle driver.  Perfect 'grist' for a computer program.


USA intrastate and Canadian intra-province.

Some USA states (AK, CA, FL, TX, WA)  and Canadian provinces (North West Territories - YT, NT) provide more generous Hours of Service rules which allows more hours of work for 7, 8, or 14 (Canada) days.  In the USA these provisions are provided for drivers who do not engage in interstate commerce, i.e. only drive within the borders of the states listed.

AK - 70hr/7day and 80hr/8day.
CA - 80hr/8day and 112hr/day for Agricultural drivers.
FL - 72hr/7day and 84hr/8day.
TX - 70hr/7day.
WA - 90hr/8day.

Canada.  YT and NT (60th Parallel) - 70hr/7day, 80hr/8day, 120hr/14day.

Back to Top

Customer Support Web Site

What's New

DDL Customer Support Web Site Main Page
CSA * 2010 pdf file (Download) Aug 2010 Updated
CSA2010 PSP Drivers Report Card
Motor Carriers SMS Report Card
New 2010 USA Proposed Rules Information
Canada new  2007 Hours of Service Rules Information

Canada new DDVIR Schedule Information

Sample Reports
DDL On-Line Help System
DOT & FMCSA Information
Commercial DDL
DDL Logs Audit Features
Truck Companies that accept DDL Logs
Installing Ascertia Root Certificate
GPS add on Information
Intra-States Rules (Information)

Other Information

About the Author
Canada Notes
Days Out Information
List of Email Servers that will block DDL email.
DDL in Hand Held Devices
DDL Data Files and Data Records Specifications
FAQ:
Future DDL Features
Introduction
Links to other Web Sites for Truckers
Looking for a Laptop for DDL
National Traffic and Road Closure Information 
Road Conditions Information
Six Days on the Road
Users Wish List
Truck Load

DDL is a trademark of DDL Software. All other products mentioned are registered trademarks or trademarks of their respective companies.
Questions or problems regarding this web site should be directed to  "Fritz" at  frbjorklund@driversdailylog.com
or "Bruce" at bruce@driversdailylog.com

Use of the Drivers Daily Log Software and this Web site constitutes acceptance of our License Policy, License Requirements, and Privacy Policy.

Copyright 1998-2011 Drivers Daily Log - Fritz Roland Bjorklund & Bruce A. Luebke.  All rights reserved.
Last modified: Wednesday April 13, 2011.
t modified: Thursday June 15, 2006.

Customer Support Web Site

What's New

DDL Customer Support Web Site Main Page
CSA * 2010 pdf file (Download) Aug 2010 Updated
CSA2010 PSP Drivers Report Card
Motor Carriers SMS Report Card
New 2010 USA Proposed Rules Information
Canada new  2007 Hours of Service Rules Information

Canada new DDVIR Schedule Information

Sample Reports
DDL On-Line Help System
DOT & FMCSA Information
Commercial DDL
DDL Logs Audit Features
Truck Companies that accept DDL Logs
Installing Ascertia Root Certificate
GPS add on Information
Intra-States Rules (Information)

Other Information

About the Author
Canada Notes
Days Out Information
List of Email Servers that will block DDL email.
DDL in Hand Held Devices
DDL Data Files and Data Records Specifications
FAQ:
Future DDL Features
Introduction
Links to other Web Sites for Truckers
Looking for a Laptop for DDL
National Traffic and Road Closure Information 
Road Conditions Information
Six Days on the Road
Users Wish List
Truck Load

DDL is a trademark of DDL Software. All other products mentioned are registered trademarks or trademarks of their respective companies.
Questions or problems regarding this web site should be directed to  "Fritz" at  frbjorklund@driversdailylog.com
or "Bruce" at bruce@driversdailylog.com

Use of the Drivers Daily Log Software and this Web site constitutes acceptance of our License Policy, License Requirements, and Privacy Policy.

Copyright 1998-2011 Drivers Daily Log - Fritz Roland Bjorklund & Bruce A. Luebke.  All rights reserved.
Last modified: Wednesday April 13, 2011.