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Choosing a system

Paper logbook vs Electronic Work Diary vs SMS — which is right for you?

Published July 2026 · 3 min read · General information only, not legal advice

There are three real ways an owner-operator keeps compliance records

today, and most drivers are using one without ever having compared it

to the other two. Here's an honest look at all three — including where

each one actually falls short.

Paper work diary

The original, and still completely legal. If you're travelling more

than 100km from your base, the HVNL requires a work diary — a paper one

is the default most drivers grew up with.

Where it's fine: it's cheap, it doesn't need charging, and every

authorised officer knows exactly how to read one.

Where it actually falls short: it only works if you fill it in

honestly and immediately. A diary filled in from memory at a fuel stop

two hours after the fact isn't a record of what happened — it's a

reconstruction, and reconstructions are exactly where discrepancies

creep in. It's also just paper: left in a cab, soaked in a storm, or

simply lost, and three months of history goes with it. And falsifying

a work diary — even just rounding times to look tidier — is treated as

a serious offence, not a technicality.

Electronic Work Diary (EWD)

An NHVR-approved EWD replaces the written diary entirely, usually

integrated with the vehicle or a dedicated device. It time-stamps

automatically, which removes the "filled in from memory" problem paper

has.

Where it's fine: for larger fleets already running telematics

hardware, it's often already part of the system, and it produces a

clean, hard-to-dispute timestamp trail.

Where it actually falls short for a solo owner-operator specifically:

cost and complexity that's built for fleet-scale operations, not one

truck. You're often paying for a device, a data plan, and a subscription

sized for a business with a fleet manager, when what you actually need

is just an accurate timestamp on a handful of events a day.

SMS-first (what CoRShield does)

Text your pre-start, your rest stops, and your finish time to a number,

and everything's logged with a timestamp the moment you send it — no

app to open, no device to mount, no login while you're standing at the

back of the truck with your hands full.

Where it's fine: it fits how solo drivers actually behave during the

day. You already have your phone in your pocket and you already send

texts — this doesn't ask you to change anything except who you're

texting.

Where it actually falls short: it needs a phone signal to send in

the moment (though a delayed text still carries its true send

timestamp), and it's a newer approach than paper or EWD, so it hasn't

had decades of officers seeing it at every roadside stop the way a

paper diary has. That's changing, but it's fair to name as the trade-off.

The honest comparison

| | Paper | EWD | SMS (CoRShield) |

|---|---|---|---|

| Upfront cost | Low | High (device + plan) | Low |

| Timestamp reliability | Depends on the driver | Automatic | Automatic |

| Built for solo operators | Not really | Not really | Yes |

| Survivable if lost/damaged | No | Depends on device | Yes (cloud-based) |

| Familiarity with officers | Highest | High | Growing |

None of these is universally "wrong." A fleet with 20 trucks and a

compliance manager probably wants an EWD integrated with the rest of

their telematics. A solo owner-operator who wants an accurate,

timestamped, three-year record without carrying a second device or

learning an app is exactly who the SMS-first approach was built for.

If you're currently on paper and being honest with yourself about how

often it gets filled in properly at the time versus reconstructed later,

that's usually the tell for whether it's worth switching.

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