Origin
Lone Tree, CO
Late night in Lone Tree on Sunday
Local time
1:57 AM
MDT
Current temp
77°F
Unavailable
Live forecast
Trip from Lone Tree, CO to Broomfield, CO
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
45m
Distance
33.6 mi
54 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$5
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 42m
★
6 AM
0h 46m
8 AM
0h 53m
10 AM
0h 48m
12 PM
0h 48m
3 PM
0h 49m
5 PM
0h 53m
8 PM
0h 43m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Lone Tree, CO
Volker Thimm
Broomfield, CO
Owen.outdoors
Trip Overview
Lone Tree to Broomfield is 33.6 miles and takes about 45m via South Valley Highway, with a fuel budget near $5 and enough daylight to finish in a day. This trip stays within Colorado, traversing the Mountain West region. Expect a route with a lot of turns, primarily on local roads, which gives you a good feel for the area. It’s a relatively short drive, making it ideal for a single-day excursion without feeling rushed.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| South Valley Highway | 21.2 mi | 26m |
| Denver–Boulder Turnpike | 8.7 mi | 10m |
| South Yosemite Street | 0.9 mi | 2m |
| East County Line Road | 0.4 mi | <1m |
| CO 121 | 0.2 mi | <1m |
| Chester Street | 0.2 mi | <1m |
| West Midway Boulevard | 0.2 mi | <1m |
| Nickel Street | 0.1 mi | <1m |
Longest stretch:
South Valley Highway
— 21.2 mi, about 26m
Turn-by-Turn Driving Directions
Step-by-step road directions between Lone Tree, CO and Broomfield, CO.
1
Start on this road
455 ft
·
22 sec
·
this road
2
Turn left onto South Yosemite Street
0.9 mi
·
2 min
·
South Yosemite Street
Use the straight lane.
3
Turn right onto Chester Street
0.2 mi
·
32 sec
·
Chester Street
Use the right lane.
4
Turn right onto CR 50
0.4 mi
·
47 sec
·
East County Line Road
5
Take the ramp
0.6 mi
·
1 min
Toward I 25 North
Use the straight / slight right lanes.
6
Merge onto I 25
21 mi
·
26 min
·
South Valley Highway
Use the straight / slight right lanes.
7
Take the exit
0.6 mi
·
51 sec
Exit 217A
Toward US 36 West: Westminster, Boulder
Use the slight left lane.
8
Merge onto US 36
2.1 mi
·
2 min
·
Denver–Boulder Turnpike
9
Keep slight right at fork onto US 36
1.7 mi
·
1 min
·
Denver–Boulder Turnpike
10
Keep slight right at fork onto US 36
2.3 mi
·
2 min
·
Denver–Boulder Turnpike
11
Keep slight right at fork onto US 36
1.9 mi
·
2 min
·
Denver–Boulder Turnpike
Use the straight / slight right lanes.
12
Keep slight right at fork onto US 36
0.8 mi
·
52 sec
·
Denver–Boulder Turnpike
13
Take the exit
0.4 mi
·
42 sec
Toward CO 121: Wadsworth Parkway
Use the straight / slight right lanes.
14
Turn right onto CO 121
0.2 mi
·
30 sec
·
CO 121
15
Continue on US 287
204 ft
·
5 sec
·
US 287
16
Turn right onto West Midway Boulevard
0.2 mi
·
31 sec
·
West Midway Boulevard
Use the right lane.
17
Turn right onto Nickel Street
0.1 mi
·
22 sec
·
Nickel Street
Use the right lane.
18
Turn left onto West 3rd Avenue
273 ft
·
17 sec
·
West 3rd Avenue
Use the left lane.
19
Turn left
192 ft
·
14 sec
20
Arrive at destination
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
17 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.
Pacing Suggestions
Fuel and coffee
A short stop after about 33.6 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 16.8 miles from Lone Tree, CO, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 175 decision points cluster between mile 23.3 and 33.5 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
8
23.3 mi into trip
|
~32m in
Take the exit toward US 36 West: Westminster, Boulder
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left lane.
Exit 217A
Toward US 36 West: Westminster, Boulder
6
29.9 mi into trip
|
~39m in
|
US 36 / Denver–Boulder Turnpike
Keep slight right at fork onto US 36 / Denver–Boulder Turnpike
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
6
32.6 mi into trip
|
~42m in
Take the exit toward CO 121: Wadsworth Parkway
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Toward CO 121: Wadsworth Parkway
6
33.4 mi into trip
|
~44m in
|
Nickel Street
Turn right onto Nickel Street
Lane positioning matters here
Use the right lane.
6
33.5 mi into trip
|
~45m in
|
West 3rd Avenue
Turn left onto West 3rd Avenue
Lane positioning matters here
Use the left lane.
Fuel & Cost
Regular Gas
$5.06 one way
$10.12 round trip
$3.83/gal
25.4 MPG avg
12 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.05 | $5.36 | $10.72 |
| premium | $4.39 | $5.81 | $11.63 |
| diesel | $5.61 | $7.42 | $14.84 |
Estimated Tolls: $0.60
Denver–Boulder Turnpike
(8.7 mi)
$0.60
Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.
Drive Cost (one way)
Fuel
$5
Tolls
$1
Total
$6
Estimated CO2 emission: 11.8 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $4 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 10.1 | 0 | $3.53 | $1.61 |
| Efficient EV | 8.4 | 0 | $2.94 | $1.34 |
| EV Truck/SUV | 13.4 | 0 | $4.70 | $2.15 |
Gas CO2
12 kg
EV CO2
4 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.
Destination
Broomfield, CO
Late night in Broomfield on Sunday
Local time
1:57 AM
MDT
Current temp
75°F
Unavailable
Live forecast
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
2 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
45m 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.
What kind of drive is this?
This route is characterized by its "turn-heavy local drive" profile, meaning you’ll navigate numerous intersections rather than settling into long stretches of highway. While 27% of the drive is on highways, the majority involves city and local road navigation. The longest uninterrupted stretch you'll encounter is 21.2 miles on South Valley Highway. This driving style will keep you engaged, offering a dynamic experience as you move through different local areas.
Only 27% highway — the rest is turn-by-turn surface driving.
20 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 21.2 mi on South Valley Highway.
How Hard Is This Drive?
10/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 23.3 miles in.
Driving Effort
10/10
Focused - lots of decisions in a short distance, but it is over quickly
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 17 decision points packed into just 33.6 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 45m.
Where does it get tricky?
The main spots that need attention: at 23.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 29.9 miles (US 36 / Denver–Boulder Turnpike): Highway fork - watch signs carefully. Lane positioning matters here; at 32.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
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 Lone Tree, CO to Broomfield, CO, road signs begin pointing toward Boulder along the way.
Boulder
23.3 mi in
|
~32m
About the Cities
Arriving in Broomfield, CO
Full guide →Broomfield is a combined city and county of about 77,000 in the Denver Metropolitan Area of the western U.S. state of Colorado. Broomfield lies 14 miles (23 km) northwest of Denver and 12 miles (19 km) southeast of Boulder. The only other combined city and county in Colorado is the City and County of Denver, the state capital.
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 45m. Total distance: 33.6 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
45m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
Scenic Drive
Mostly surface roads route profile.
Frequently Asked Questions
The longest stretch is about 21.2 miles on South Valley Highway. The full list of main roads is in the Roads section above.
Expect about $0.60 in tolls one way, starting with Denver–Boulder Turnpike. Most Northeast and Midwest toll agencies accept E-ZPass; in the West and Texas, transponders like TxTag or FasTrak apply. If you do not have a transponder, cashless tolling plates will mail a bill to the vehicle's registered address — usually with a surcharge, so a rental-car toll pass is often cheaper than paying by mail.
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 Broomfield, CO before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: at 23.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 29.9 miles (US 36 / Denver–Boulder Turnpike): Highway fork - watch signs carefully. Lane positioning matters here; at 32.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
Yes. A round trip is manageable in a single day if you plan a break at Broomfield, CO before heading back.
How this page is built
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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