Historical I-66 Express Lane Toll Prices
Data logged every 5 minutes since late 2018 — the most comprehensive independent I-66 pricing dataset available.
I-66 Toll Price Overview
Since late 2018, TollCast has logged I-66 Express Lane toll prices every 5 minutes during peak hours — over six years of data. This dataset covers every peak-hour weekday toll from I-66 West (interchange 1) to Washington (interchange 16) and all intermediate entry/exit combinations, in both eastbound and westbound directions.
Typical Toll Ranges by Day — Eastbound AM, Full Corridor
| Day | Typical Range | Peak-of-Peak (7:30–8:30 AM) |
|---|---|---|
| Monday | $4–$18 | $10–$28 |
| Tuesday | $6–$25 | $14–$38 |
| Wednesday | $6–$22 | $12–$35 |
| Thursday | $5–$20 | $11–$32 |
| Friday | $3–$14 | $7–$20 |
Ranges based on TollCast historical data since 2018. Full corridor (I-66 West to Washington). Actual prices vary by entry/exit interchange and current traffic conditions.
Seasonal Patterns
About This Data
TollCast collects I-66 pricing data directly from VDOT's vai66tolls.com system every 60 seconds during peak hours. Data collection began in late 2018. The dataset includes prices for all interchange combinations on I-66 Inside the Beltway — eastbound and westbound, across all five weekdays.
TollCast uses this historical dataset to compute the "typical" price for each 15-minute window, which powers the real-time deal verdict scoring in the app and on this website. This is the most comprehensive independent dataset of I-66 Express Lane toll pricing available to consumers.
Check today's live toll against historical data
TollCast scores the current price against this dataset in real time.
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