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Dispatch & Communication Guide

Dispatch Lingo for New Truckers

When your dispatcher starts talking about deadheading to a drop-and-hook with detention pay on a hot load, you need to know what every word means. This guide breaks down the essential dispatch terms every new trucker must learn, with real-world context and examples.

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O Trucking Editorial Team

Trucking Industry Experts

Published: February 20, 2026Updated: February 20, 2026

Fact-Checked by O Trucking Editorial Team

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This article was written by the O Trucking editorial team with 9+ years of combined trucking industry experience. Learn more about us.

Load Type Terms

These terms describe the type of load or how it is handled at pickup and delivery:

TermMeaningExample
Hot loadUrgent, time-sensitive freight with premium pay“Got a hot load to Chicago — needs to be there by 6 AM”
Live loadYou wait while trailer is loaded/unloaded“It's a live load — expect 2-3 hours at the dock”
Drop-and-hookDrop trailer, hook to a preloaded one“Drop and hook at door 14, your trailer is ready”
RelayTwo drivers each haul part of the route“Relay at the Nashville terminal — driver B takes it from there”
RepowerNew driver assigned to a load mid-route“Driver broke down — we need to repower this load ASAP”
Turn / TurnaroundShort round-trip load, usually same day“Got a quick turn — Dallas to Austin and back”

Miles and Money Terms

Understanding how dispatchers talk about miles and money is critical for evaluating whether a load is worth taking:

TermMeaningWhy It Matters
DeadheadEmpty miles to reach pickupCosts fuel with zero revenue
Loaded milesMiles driven with freight on boardRevenue-generating miles
Empty milesAll miles driven without a loadIncludes deadhead and bobtail
DetentionPay for waiting at shipper/receiverUsually kicks in after 1-2 hours
LayoverPay for waiting between loadsCompensates for forced downtime
Per diemDaily allowance for meals/incidentalsTax-free portion of compensation

Always Calculate Total Miles, Not Just Loaded Miles

When your dispatcher offers a load paying $2.50/mile for 500 loaded miles ($1,250), but there are 200 deadhead miles to the pickup, your real rate is $2.50 x 500 / 700 total miles = $1.79/mile. Always divide the total pay by total miles (loaded + deadhead) to get your true rate per mile. This is how experienced drivers evaluate loads.

Planning and Scheduling Terms

These terms relate to how dispatchers plan your schedule and manage load assignments:

Preplan — Your next load is assigned before you finish the current one. This is ideal because it minimizes downtime and keeps you moving. “You're preplanned for a pickup in Memphis tomorrow at 0700.”

Sitting / Parked — Waiting for a load assignment with no freight scheduled. This costs you money and is a sign of either a slow freight market or dispatch inefficiency.

Home time — Scheduled time off at your home base. How home time is managed varies by carrier — some guarantee weekly home time, others every 2-3 weeks for OTR drivers.

34-hour restart — The HOS provision that resets your 60/70-hour driving clock after 34 consecutive hours off duty. Dispatchers plan around this to maximize your available hours.

Learn These Terms Before Your First Day

Walking into your first dispatch conversation without knowing these terms is like showing up to a job interview without knowing the company name. Study this glossary, listen to how experienced drivers talk on CB channel 19, and do not be afraid to ask your dispatcher to clarify terms you do not understand. Every experienced trucker was new once.

Problem and Exception Terms

These terms come up when things do not go as planned — which happens regularly in trucking:

TONU (Truck Order Not Used) — You drove to a pickup location but the load was cancelled. You are typically entitled to a fee ($150-$350) for the wasted trip. See our TONU rates guide.

Refused load — The receiver refuses to accept the freight, often due to damage, wrong product, or late delivery. Dispatch must arrange return or alternate delivery.

Lumper — A third-party worker who loads or unloads your trailer for a fee. Lumper fees are common at grocery and retail warehouses and should be reimbursed by the broker or carrier.

Dispatch Lingo FAQ

Common questions about trucking dispatch terminology

What does deadhead mean in trucking dispatch?

Deadhead means driving without a load — your trailer is empty or you are bobtailing (no trailer at all). Dispatchers use the term to describe empty miles between your current location and a load's pickup point. For example, 'There's 150 miles of deadhead on this load' means you drive 150 miles empty before picking up the freight. Deadhead miles cost fuel without generating revenue, so minimizing them is a key dispatch priority.

What is the difference between a live load and drop-and-hook?

A live load means you wait at the dock while your trailer is loaded or unloaded — you stay with the truck the entire time. Drop-and-hook (or 'drop and pick') means you drop your loaded or empty trailer and immediately hook to a preloaded trailer that is waiting for you. Drop-and-hook is faster and more efficient because you do not wait. Experienced drivers prefer drop-and-hook because it maximizes driving time and revenue.

What is a hot load in dispatch terms?

A hot load is time-sensitive freight that needs to be delivered as quickly as possible, often because of a missed pickup, production deadline, or supply chain emergency. Hot loads typically pay a premium — 20-50% above standard rates — because the shipper or broker needs the freight moved urgently. Your dispatcher may offer you a hot load when speed is the priority and the pay reflects the urgency.

What does preplan mean in trucking?

Preplan means your dispatcher has assigned your next load before you finish your current delivery. For example, while you are driving to deliver in Dallas, dispatch preplans a pickup in Fort Worth for the next morning. Preplanning keeps you moving efficiently with minimal downtime between loads. A good dispatcher preplans whenever possible so you always know what is coming next.

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