The drive from Cambridge to Boston takes approximately 15 min, covering 3 miles via I-95. Under normal conditions, expect to spend around $0 on gas.
Travel time can vary — during rush hour or bad weather, the journey may take 25–30 minutes. For the fastest trip, avoid peak commute hours.
Traffic Estimate
🟢 Light traffic
13 min
🔵 Typical
15 min
🔴 Heavy traffic
22 min
Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.
Trip Details
Distance3 miles (4 km)
Drive Time15 min
RouteI-95
Best TimeMid-morning (9-11 AM)
Fuel Costs
Gas (30 mpg)~0.1 gallons
Est. Cost$0
Best Time to Drive from Cambridge to Boston
For this shorter drive, the best time to go is mid-morning (9-11 am). Rush hour (7-9 AM and 4-7 PM) can add significant time on this route. Weekends are generally smoother unless it's a holiday.
🟢 Best:Mid-morning (9-11 AM)
🔴 Avoid:Rush hour (4-7 PM)
Route Tips: I-95
Plan rest stops every 2-3 hours on longer drives. Check traffic conditions before departure and keep your tank above quarter-full.
This trip can typically be done on a single tank of gas.
Frequently Asked Questions
How long does it take to drive from Cambridge to Boston?
The drive from Cambridge to Boston takes approximately 15 min covering 3 miles via I-95. Actual time may vary based on traffic, weather, and road conditions.
How much does gas cost for Cambridge to Boston?
At 30 MPG and $3.50/gallon, expect to spend approximately $0 on gas for this 3-mile trip. You'll need about 0.1 gallons of fuel.
What is the best time to drive from Cambridge to Boston?
Mid-morning (9-11 AM) to avoid heavy traffic. Weekday mornings before 7 AM or evenings after 7 PM typically have less congestion.
Are there tolls on the Cambridge to Boston route?
This route is primarily toll-free, though some bridges or tunnels may have small fees.