Line Haul
Transport of goods over long distances between cities or major hubs, typically via trucks, rail, or air.
Definition
Line haul represents the main segment of freight transport, excluding last-mile delivery, and focuses on cost efficiency and transit speed.
Overview of Line Haul
Line haul refers to the transportation of freight over long distances between two major cities, regional hubs, or distribution terminals, as opposed to local pickup and delivery (P&D) operations. In trucking, line haul represents the trunk movement of goods between origin and destination terminals, where dedicated long-haul drivers (team drivers for continuous service, or relay drivers who hand off at midpoints) move trailers over hundreds or thousands of miles. In LTL networks, line haul connects regional terminals, enabling packages and freight to traverse the carrier's hub-and-spoke network between consolidation and deconsolidation points. In rail and air freight, line haul is the primary long-distance movement between major nodes in the network. Line haul costs are a significant portion of total freight expenditure and are typically measured in cost-per-mile. In warehousing and 3PL operations, line haul is the backbone of inbound replenishment from suppliers and outbound distribution to regional delivery hubs. 3PLs managing national distribution programs coordinate line haul movements between their warehouse nodes, using their contracted carrier networks or in-house dedicated fleets. Line haul scheduling must align with warehouse operating windows at both origin and destination — outbound trailers must be loaded and ready before driver pickup, and inbound trailers must arrive within receiving dock hours. Relay driving programs, where tractors are swapped at intermediate points while trailers move continuously, are commonly used by major shippers to achieve consistent transit times on critical lanes without waiting for driver rest cycles. WareMatch connects brands with freight brokers and 3PLs who manage robust line haul networks, enabling merchants to move high volumes of inventory efficiently between fulfillment centers, supplier facilities, and regional distribution points. The platform helps brands access established carrier relationships and contracted line haul rates that would otherwise require significant negotiation volume to obtain independently.
Role
Transport of goods over long distances between cities or major hubs, typically via trucks, rail, or air.
Focus
Line haul refers to the transportation of freight over long distances between two major cities, regional hubs, or distribution terminals, as opposed to local pickup and delivery (P&D) operations. In trucking, line haul represents the trunk movement of goods between origin and destination terminals, where dedicated long-haul drivers (team drivers for continuous service, or relay drivers who hand off at midpoints) move trailers over hundreds or thousands of miles. In LTL networks, line haul connects regional terminals, enabling packages and freight to traverse the carrier's hub-and-spoke network between consolidation and deconsolidation points. In rail and air freight, line haul is the primary long-distance movement between major nodes in the network. Line haul costs are a significant portion of total freight expenditure and are typically measured in cost-per-mile. In warehousing and 3PL operations, line haul is the backbone of inbound replenishment from suppliers and outbound distribution to regional delivery hubs. 3PLs managing national distribution programs coordinate line haul movements between their warehouse nodes, using their contracted carrier networks or in-house dedicated fleets. Line haul scheduling must align with warehouse operating windows at both origin and destination — outbound trailers must be loaded and ready before driver pickup, and inbound trailers must arrive within receiving dock hours. Relay driving programs, where tractors are swapped at intermediate points while trailers move continuously, are commonly used by major shippers to achieve consistent transit times on critical lanes without waiting for driver rest cycles. WareMatch connects brands with freight brokers and 3PLs who manage robust line haul networks, enabling merchants to move high volumes of inventory efficiently between fulfillment centers, supplier facilities, and regional distribution points. The platform helps brands access established carrier relationships and contracted line haul rates that would otherwise require significant negotiation volume to obtain independently.
Example
See the definition above for context.
Benefits
- Contracted line haul rates provide cost predictability and protection against spot market volatility on high-frequency lanes.
- Relay driving programs enable continuous trailer movement on critical lanes, maintaining transit consistency regardless of single-driver HOS limits.
- Consolidated line haul movements reduce per-unit freight costs by maximizing trailer utilization on high-volume routes.
- Dedicated line haul fleet arrangements provide shippers with guaranteed capacity during peak seasons when spot markets tighten.
- Optimizing line haul lane assignments through carrier network analysis identifies opportunities for mode shift and cost reduction.
- Multi-stop line haul consolidations allow multiple origin or destination points to be served in a single trailer movement, reducing total cost.
FAQs
Q: What is the difference between line haul and local delivery in LTL trucking?
A: In LTL networks, line haul is the movement of freight between terminals (e.g., the Chicago terminal to the Atlanta terminal), while local delivery is the final movement from the destination terminal to the consignee's address (pick and delivery, or P&D). Most LTL carriers separate these two functions operationally and financially. A shipment traveling from a business in Chicago to a business in Atlanta involves a local pickup driver, a line haul driver, and a local delivery driver.
Q: How do hours-of-service (HOS) regulations affect line haul operations?
A: Federal HOS regulations limit truck drivers to 11 hours of driving within a 14-hour on-duty window, followed by a mandatory 10-hour off-duty break. For long-distance line haul, this means a single driver may cover only 600 to 700 miles per duty cycle. Team driving (two drivers alternating) allows the truck to move nearly continuously. Relay driving — swapping tractors or trailers at pre-arranged points with fresh drivers — is another method to maintain continuous line haul transit.
Q: How are line haul rates negotiated and structured?
A: Line haul rates are typically negotiated as a cost-per-mile rate or a flat per-load rate between origin and destination. Shippers with high volumes on specific lanes negotiate contract rates through annual or semi-annual RFP processes, committing to volume minimums in exchange for discounted rates. Fuel surcharges (FSC) are applied on top of base line haul rates using a carrier's fuel surcharge table pegged to the weekly DOE diesel price. Accessorial charges for detention, layover, and team driving are negotiated separately.
Q: What is the role of line haul in a 3PL's fulfillment network design?
A: Line haul is the connective tissue between 3PL network nodes — distribution centers, fulfillment centers, and cross-docks. When a 3PL designs a multi-node network for a client, the frequency, cost, and transit time of line haul movements between nodes determines the optimal inventory positioning strategy. High-frequency, low-cost line haul enables leaner safety stock at regional nodes because replenishment from the central DC is rapid. Expensive or infrequent line haul requires higher safety stock at regional nodes to protect service levels.