Origin
Boulder, CO
Afternoon in Boulder on Sunday
Local time
3:59 PM
MDT
Current temp
40°F
Unavailable
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Create accountDrive Time
5h 40m
Distance
287.6 mi
463 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$44
one way
EV Charging
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station data
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Boulder, CO
Dmitriy Piskarev
Delta, CO
Ofspace LLC, Culture
If you are planning a trip from Boulder to Delta, expect a 287.6-mile journey through the heart of the Colorado Mountain West. You should budget approximately 5 hours and 40 minutes of driving time, making this a manageable route to complete in a single day. With an estimated fuel cost of $44, this trip is fairly economical for a cross-state trek. Because you will be spending the vast majority of your time on major corridors, the drive remains straightforward and efficient. While it is certainly possible to do this in one go, you might consider how the high-speed transit will impact your energy levels compared to a more leisurely pace. Ultimately, this highway-focused route is a practical way to connect these two distinct regions of the state.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
143.8 miles from Boulder, CO
A natural place for your longest stop of the day , about 2h 51m into the drive .
Expect a drive defined by high-speed efficiency, as 92% of your journey takes place on highways. You will spend a significant portion of your time on I-70, which accounts for a 223.4-mile stretch of the trip. This segment serves as the backbone of your travel, keeping the pace consistent before you transition onto US 50. While the interstate allows for quick progress, the character of the road shifts once you move toward the final leg of the trip. Navigating this mix of heavy-duty thoroughfares requires focus, especially during the long, uninterrupted interstate portions that dominate your time behind the wheel.
This is a straightforward highway drive that stays mostly on I 70 and US 50. You will hit about 13 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive near Arapahoe Avenue.
Moderate - straightforward overall, but long enough or busy enough to require pacing
This drive requires moderate attention. Across 287.6 miles you will encounter 13 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: near the start (Arapahoe Avenue): Lane positioning matters here; at 1.6 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 23.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
These are the spots where you need to pay the most attention. Preview them before you drive.
Turn left onto Arapahoe Avenue
Lane positioning matters here
Keep slight left at fork toward Baseline Road, Broadway South
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Take the exit toward I 70 West: Grand Junction
Exit ramp - move to the correct lane early. Lane positioning matters here
Take the exit onto I 70 BUS toward I 70 Business, US 6, US 50: Clifton, Grand Junction, Delta
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
At end of road, turn left onto US 50; CO 141 / United States Highway 50 toward Delta
Lane positioning matters here
On the drive from Boulder, CO to Delta, CO, road signs begin pointing toward Grand Junction along the way.
Grand Junction
| Road | Distance | Duration |
|---|---|---|
| I 70 | 223.4 mi | 4h 7m |
| US 50 | 20.9 mi | 26m |
| United States Highway 50 | 11.7 mi | 14m |
| South Foothills Highway | 8.3 mi | 12m |
| CO 93 | 7.5 mi | 11m |
| 32 Road | 5.4 mi | 9m |
| Dinosaur Diamond Prehistoric Highway | 2.9 mi | 4m |
| Broadway | 2.2 mi | 4m |
Step-by-step road directions between Boulder, CO and Delta, CO.
Start on this road
Turn right onto 19th Street
Turn left onto Arapahoe Avenue
Turn right onto US 36
Turn straight
Keep slight left at fork
Continue on 27th Way
At end of road, turn left onto CO 93
Continue on CO 93
Continue on CO 93
Continue on US 6
Turn right onto CO 470
Take the exit
Merge onto I 70
Take the exit onto I 70 BUS
Continue on I 70 BUS; US 6
Turn left onto CO 141
At end of road, turn left onto US 50; CO 141
Continue on US 50
Continue on US 50
Turn left onto East 3rd Street
Turn right
Arrive at destination
To keep your drive smooth, aim to depart early in the morning to avoid heavy traffic on the interstate segments. Since the route includes one planned stop, use that time to stretch and refuel, keeping your $44 budget in mind as you manage your tank. The 223.4-mile stretch on I-70 is the most demanding part of the journey, so plan your break strategically to break up that long, singular segment. Flexibility is your best asset here; because the drive is under six hours, you have the freedom to adjust your pace if weather or traffic conditions change. Always double-check your fuel levels before leaving the main interstate corridors, as the transition to US 50 can sometimes lead into more isolated territory.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 80 miles or 1h 40m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 143.8 miles or 2h 51m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 4h 33m
Traffic, exits, and arrival timing usually matter more near Delta, CO than in the middle of the route.
Open the route before leaving Boulder, CO so your first major turns are already loaded.
Leave with enough water and a charging cable within reach, not packed away.
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Boulder, CO
This is one driving day of about 287.6 miles and 5h 40m.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 143.8 mi from Boulder, CO · 2h 51m into the drive
Mid-route town
Meal stop
144 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
A short stop after about 80 miles helps settle the day before fatigue starts building.
The midpoint is around 143.8 miles from Boulder, CO, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 70 if your tank is already low. That segment runs about 223.4 miles.
The final approach into Delta, CO usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Delta, CO.
After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Regular Gas
$43.58 one way
$87.16 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.08 | $46.24 | $92.48 |
| premium | $4.43 | $50.19 | $100.39 |
| diesel | $5.64 | $63.89 | $127.79 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$44
Meals
$25–$50
Total
$69–$94
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 100.6 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $30 in charging · 1 stop · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 86.3 | 1 | $30.20 | $13.80 |
| Efficient EV | 71.9 | 0 | $25.17 | $11.50 |
| EV Truck/SUV | 115 | 1 | $40.26 | $18.41 |
Gas CO2
101 kg
EV CO2
34 kg (66% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Current conditions at both ends of the drive.
Origin
Afternoon in Boulder on Sunday
Local time
3:59 PM
MDT
Current temp
40°F
Unavailable
Destination
Afternoon in Delta on Sunday
Local time
3:59 PM
MDT
Current temp
32°F
Unavailable
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
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