Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
43m
Distance
29.4 mi
47 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$5
one way
EV Charging
Unknown
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Elizabeth, NJ
Wikimedia Commons
Green Knoll, NJ
Alexa V. Mato
Elizabeth, NJ to Green Knoll, NJ is 29.4 miles and takes about 43m via I 287, with a fuel budget near $5 and enough daylight to finish in a day. This is a straightforward, single-day trip within New Jersey, connecting two points in the Northeast region. Given its short distance and highway focus, it's a practical option for a quick commute or a short leg of a larger journey. You'll spend most of your time on major roadways, making it an efficient way to get from point A to point B without significant detours.
| Road | Distance | Duration |
|---|---|---|
| I 287 | 13 mi | 15m |
| US 1 | 11.9 mi | 19m |
| US 22 | 1.4 mi | 1m |
| North Bridge Street | 1.2 mi | 3m |
| Carlton Street | 0.2 mi | <1m |
| East Jersey Street | 0.2 mi | <1m |
| Brian Drive | 0.2 mi | <1m |
| Grove Street | <0.1 mi | <1m |
Step-by-step road directions between Elizabeth, NJ and Green Knoll, NJ.
Start on this road
Turn left onto East Jersey Street
Turn right onto US 1; US 9
Continue on US Route 1/9 Southbound
Continue on US 1; US 9
Continue on US 1; US 9
Continue on US 1; US 9
Keep slight right at fork onto US 1
Continue on US 1
Take the exit
Merge onto I 287
Take the exit
Merge onto US 22
Take the exit
Turn straight onto Grove Street
Turn right onto (639)
Turn left onto Brian Drive
Arrive at destination
5 decision points cluster between mile 0 and 25.8 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
Turn left onto East Jersey Street
Navigation decision point
Keep slight right at fork onto US 1
Highway fork - watch signs carefully. Lane positioning matters here
Take the exit toward I 287 North: Morristown, Mahwah
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Merge onto I 287
Merge point - match speed before joining. Lane positioning matters here
Take the exit toward US 22 West: Clinton
Exit ramp - move to the correct lane early. Lane positioning matters here
Regular Gas
$4.87 one way
$9.75 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.61 | $5.34 | $10.68 |
| premium | $4.93 | $5.70 | $11.40 |
| diesel | $5.61 | $6.49 | $12.98 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$5
Estimated CO2 emission: 10.3 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $3 in charging · 0 stops · 70% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 8.8 | 0 | $3.09 | $1.41 |
| Efficient EV | 7.4 | 0 | $2.57 | $1.18 |
| EV Truck/SUV | 11.8 | 0 | $4.12 | $1.88 |
Gas CO2
10 kg
EV CO2
3 kg (70% 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.
Current conditions at both ends of the drive.
Origin
Afternoon in Elizabeth on Saturday
Local time
4:42 PM
EDT
Current temp
90°F
Partly Sunny
Destination
Afternoon in Green Knoll on Saturday
Local time
4:42 PM
EDT
Current temp
44°F
Unavailable
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
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
This drive is predominantly highway-focused, with 90% of the journey taking place on major roads like I 287, US 1, and US 22. Expect a consistent, high-speed experience for the majority of the trip. The longest uninterrupted stretch you'll encounter is 13 miles on I 287, meaning you'll be in highway mode for a significant portion of your travel time. This profile suggests a route optimized for direct travel rather than scenic exploration.
This is a straightforward highway drive that stays mostly on I 287 and US 1. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes early in the drive near East Jersey Street.
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 9 decision points packed into just 29.4 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 43m.
Where does it get tricky?
The main spots that need attention: near the start (East Jersey Street): Navigation decision point; at 8.5 miles (US 1): Highway fork - watch signs carefully. Lane positioning matters here; at 12.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Elizabeth, NJ to Green Knoll, NJ, road signs begin pointing toward Mahwah along the way.
Mahwah
Weekend Trip
Doable as a same-day drive at 43m. Total distance: 29.4 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
43m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (90%). Some complex stretches to watch for.
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.
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