Connecting Castle Rock to Edwards covers a 136.2-mile stretch across the Mountain West, typically taking about 2 hours and 42 minutes behind the wheel. Because this is a relatively short trip, you can easily complete the journey in a single day without needing an overnight stay. Expect to spend roughly $21 on fuel for the one-way trip, making it an affordable excursion. You will primarily utilize I-25, the West 6th Avenue Freeway, and I-70 to reach your destination. Whether you are heading out for a weekend getaway or a quick business trip, this route offers a straightforward path between these two Colorado locations.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
68.1 miles from Castle Rock, CO
A natural place for your longest stop of the day
, about 1h 22m into the drive
.
Main Roads
Road
Distance
Duration
I 70
97.7 mi
1h 54m
I 25
26.6 mi
30m
West 6th Avenue Freeway
7.6 mi
9m
Dinosaur Diamond Prehistoric Highway
0.9 mi
1m
Edwards Access Road
0.6 mi
1m
North Wilcox Street
0.5 mi
1m
3rd Street
0.2 mi
<1m
US 6
0.1 mi
<1m
Longest stretch:
I 70
— 97.7 mi, about 1h 54m
Turn-by-Turn Driving Directions
Step-by-step road directions between Castle Rock, CO and Edwards, CO.
1
Start on North Cantril Street
90 ft·8 sec·North Cantril Street
2
Turn left onto 3rd Street
0.1 mi·22 sec·3rd Street
3
Continue on 3rd Street
442 ft·17 sec·3rd Street
4
Turn right onto North Wilcox Street
0.5 mi·1 min·North Wilcox Street
5
Take the ramp
0.3 mi·41 sec
Toward I 25 North
6
Merge onto I 25
27 mi·30 min·I 25
Use the straight / slight right lanes.
7
Take the exit
0.2 mi·23 sec
Exit 209A-BToward US 6 West: 6th AvenueUse the slight right lane.
8
Keep slight right at fork
0.4 mi·53 sec
Exit 209BToward US 6 West: 6th Avenue, LakewoodUse the straight / slight right lanes.
9
Continue on US 6
0.9 mi·1 min·Dinosaur Diamond Prehistoric Highway
10
Keep slight left at fork onto US 6
0.1 mi·10 sec·US 6
Toward US 6
11
Merge onto US 6
7.6 mi·9 min·West 6th Avenue Freeway
Use the straight / slight right lanes.
12
Take the exit
0.7 mi·55 sec
Toward I 70 West: Grand JunctionUse the slight right lane.
13
Merge onto I 70
98 mi·1 hr 54 min·I 70
Use the straight / slight right lanes.
14
Take the exit
0.2 mi·25 sec
Toward Edwards
15
Enter roundabout onto I 70 Business
250 ft·5 sec·Edwards Access Road
16
Continue on I 70 Business
314 ft·6 sec·Edwards Access Road
17
Enter roundabout onto I 70 Business
106 ft·2 sec·Edwards Access Road
18
Continue on I 70 Business
301 ft·6 sec·Edwards Access Road
19
Enter roundabout onto I 70 Business
76 ft·1 sec·Edwards Access Road
20
Continue on I 70 Business
0.4 mi·40 sec·Edwards Access Road
21
Turn right
211 ft·15 sec
22
Arrive at destination
Trip Plan
Since your total drive time is under three hours, you have plenty of flexibility in your departure schedule to avoid peak traffic. Plan for at least one stop to stretch your legs and manage your fuel, as the 136.2-mile distance is manageable in a single push. Keep a close eye on your gas gauge before hitting the longest 97.7-mile stretch on I-70, as services can become more spread out once you leave the metro area. Because this route relies so heavily on major interstates, check real-time traffic alerts before you pull out of your driveway to ensure no unexpected construction or congestion is slowing down the flow of traffic.
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 68.1 miles from Castle Rock, CO, or about 1h 22m into the drive.
The longest continuous stretch on this route runs about 97.7 miles.
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 30 miles or 37m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 68.1 miles or 1h 22m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 13m
Traffic, exits, and arrival timing usually matter more near Edwards, CO than in the middle of the route.
Before You Leave
+
Open the route before leaving Castle Rock, 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 Castle Rock, CO
This is one driving day of about 136.2 miles and 2h 42m.
Your first comfortable stop window is around 30 miles from Castle Rock, CO.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 70 for about 97.7 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 16
5 decision points cluster between mile 0.1 and 135.6 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
7
0.1 mi into trip|~0m in|3rd Street
Enter roundabout onto 3rd Street
Roundabout - know your exit number before entering
7
27.7 mi into trip|~33m in
Take the exit toward US 6 West: 6th Avenue
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 209A-B
Toward US 6 West: 6th Avenue
9
27.9 mi into trip|~33m in
Keep slight right at fork toward US 6 West: 6th Avenue, Lakewood
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 209B
Toward US 6 West: 6th Avenue, Lakewood
6
37 mi into trip|~45m in
Take the exit toward I 70 West: Grand Junction
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Toward I 70 West: Grand Junction
6
135.6 mi into trip|~2h 41m in|I 70 Business / Edwards Access Road
Enter roundabout onto I 70 Business / Edwards Access Road
Roundabout - know your exit number before entering
Fuel & Cost
Regular Gas
$20.52 one way
$41.04 round trip
$3.83/gal25.4 MPG avg48 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.05
$21.73
$43.46
premium
$4.39
$23.56
$47.12
diesel
$5.61
$30.07
$60.14
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$21
Meals
$25–$50
Total
$46–$71
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 47.7 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $14 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
40.9
0
$14.30
$6.54
Efficient EV
34.1
0
$11.92
$5.45
EV Truck/SUV
54.5
0
$19.07
$8.72
Gas CO2
48 kg
EV CO2
16 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Apr 15, 2026
Origin
Castle Rock, CO
Late night
in Castle Rock on Sunday
Local time
1:55 AM
MDT
Current temp
73°F
Unavailable
Live forecast
Destination
Edwards, CO
Late night
in Edwards on Sunday
Local time
1:55 AM
MDT
Current temp
64°F
Unavailable
Live forecast
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
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
9 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
2h 42m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
This is a highway-focused drive, with 97% of your travel occurring on major thoroughfares. You will spend the bulk of your time on I-70, which accounts for a significant 97.7-mile uninterrupted stretch of the journey. While the road is efficient and fast-paced, the transition from the I-25 corridor toward the Mountain West terrain keeps the drive feeling dynamic. Do not expect technical local roads or slow-moving side streets; instead, prepare for a consistent interstate experience. It is a functional route designed to move you quickly through the region while maintaining high speeds throughout the majority of the trip.
97% highway — fuel and pacing are the main things to plan.
22 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 97.7 mi on I 70.
How Hard Is This Drive?
8/10
This is a straightforward highway drive that stays mostly on I 70 and I 25. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.1 miles in near 3rd Street.
Driving Effort8/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This is a demanding drive. With 16 significant decision points across 136.2 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 0.1 miles (3rd Street): Roundabout - know your exit number before entering; at 27.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 27.9 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Castle Rock, CO to Edwards, CO, road signs begin pointing toward Lakewood along the way.
Lakewood
27.9 mi in|~33m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 2h 42m. Total distance: 136.2 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
2h 42m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (97%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 97.7 miles on I 70. The full list of main roads is in the Roads section above.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Edwards, CO before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 0.1 miles (3rd Street): Roundabout - know your exit number before entering; at 27.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 27.9 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes. A round trip is manageable in a single day if you plan a break at Edwards, CO before heading back.
