Intermodal Port Drayage & Container Trucking Cost Calculator

Intermodal Logistics: Port Drayage & Accessorial Cost Architecture

Drayage—the specialized short-haul trucking move connecting marine container ports or rail ramps to local warehouses—features a unique and complex accessorial fee structure:

• The Anatomy of a Drayage Bill:

• Base Linehaul: Fixed zone-to-zone rate covering driver labor, tractor wear, and distance.

• Fuel Surcharge (FSC): Indexed weekly to the U.S. Department of Energy (DOE) National Average Diesel Price.

• Chassis Split & Rental: Daily fee charged by chassis leasing pools (e.g. DCLI, TRAC, Flexi-Van) from pickup to return.

• Driver Detention & Demurrage: Hourly penalty assessed when terminal gate congestion or slow warehouse unloads exceed contractual free time (usually 2 hours).

• Port & Environmental Fees: PierPass (off-peak gate fee), Clean Truck Fund (CTF) fees, overweight permits, and bridge tolls.

• Mitigating Drayage Accessorials: Implementing Drop-and-Hook operations instead of Live Unloads eliminates driver detention, while pre-gate appointment scheduling and expedited container de-vanning reduce daily chassis detention accruals.

How to Use This Calculator

Enter your Carrier Base Linehaul Drayage Flat Rate () (e.g. 450 (Base rate port to customer warehouse)), Fuel Surcharge (FSC % of Base Rate) (e.g. 28 (28% DOE diesel fuel surcharge)), Total Drayage Haul Distance (Round-Trip Miles) (e.g. 90 (45 miles each way)), Chassis Rental Duration (Days) (e.g. 3 (Days container remains on chassis)), Daily Chassis Rental Fee (/day) (e.g. 38.00 (Chassis pool daily split fee)), Total Driver Dwell / Waiting Time (Hours at Port/Facility) (e.g. 3.5 (Total gate and dock wait time)), Contractual Free Time Included (Hours) (e.g. 2.0 (Standard 2 hours free time)), Driver Detention Surcharge Rate (/hour) (e.g. 95.00 (Billed in 15-min or 1-hr increments)), and Port Fees, Clean Truck Fees & Bridge Tolls () (e.g. 85.00 (PierPass, CTF, highway tolls)). Results update instantly as you type — adjust any value to compare scenarios.

The Formula

Intermodal Port Drayage \& Container Trucking equations:

Fuel Surcharge (FSC) = Base Linehaul Rate × FSC \%

Chassis Rental Cost = Rental Duration (days) × Daily Chassis Rate

Billable Detention Hours = (0, Driver Dwell Hours - Contract Free Hours)

Driver Detention Charge = Billable Detention Hours × Detention Hourly Rate

Total All-In Drayage Cost = Base Rate + FSC + Chassis Cost + Detention + Port/Toll Fees

Effective Cost per Mile = (Total All-In Drayage Cost) / (Round-Trip Miles)

Worked Example

For example, draying an ocean container 45 miles (90 miles round trip) with a \450.00 base linehaul rate, 28\% fuel surcharge (\126.00), 3 days of chassis rental at \ (\114.00), 3.5 hours driver wait time with 2.0 hours free time (1.5 billable hrs @ , and \85.00 port/toll fees: Total drayage invoice is . Accessorial fees represent 51.0% (\467.50) of the total bill.

Understanding Your Result

For financial decisions, validate your result against your specific tax situation, current interest rate environment, and applicable regulations — these change frequently and vary by jurisdiction. A calculated estimate is a useful starting point; for decisions involving significant capital (more than one month's income), consult a certified financial planner (CFP) or CPA. Financial projections beyond 3–5 years carry increasing uncertainty — model a conservative, base, and optimistic scenario to understand the range of outcomes.