Origin
Lambertville, NJ
Afternoon in Lambertville on Friday
Local time
3:26 PM
EDT
Current temp
45°F
Unavailable
Live forecast
Trip from Lambertville, NJ to Rocktown, NJ
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 17, 2026 · Editorial standards
Drive Time
10m
Distance
7.2 mi
12 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$1
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 9m
★
6 AM
0h 10m
8 AM
0h 12m
10 AM
0h 11m
12 PM
0h 11m
3 PM
0h 11m
5 PM
0h 12m
8 PM
0h 10m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Lambertville, NJ
Wikimedia Commons
Rocktown, NJ
James Kampeis
Trip Overview
The drive from Lambertville, NJ to Rocktown, NJ covers 7.2 miles and takes about 10m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on NJ 179, NJ 31, US 202 for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 5 miles on NJ 179. At current regular gas prices, budget about $1.19 one way before food or hotel costs.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 10m. Total distance: 7.2 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
10m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (88%). Some complex stretches to watch for.
Drive Character
This is a 10m highway drive covering 7.2 miles, with most of the trip on NJ 179 and NJ 31. The longest continuous stretch is about 5 miles on NJ 179.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 10 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
NJ 179 is the longest continuous segment at about 5 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on NJ 179 and NJ 31. You will hit about 8 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive near NJ 29; NJ 179 / Bridge Street.
Driving Effort
5/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 7.2 miles you will encounter 8 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 (NJ 29; NJ 179 / Bridge Street): Navigation decision point; at 0.1 miles (NJ 179): Navigation decision point; at 5.1 miles: Exit ramp - move to the correct lane early.
Critical Maneuvers
5 of 8 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
0 mi into trip
|
~0m in
|
NJ 29; NJ 179 / Bridge Street
Turn right onto NJ 29; NJ 179 / Bridge Street
Navigation decision point
4
0.1 mi into trip
|
~0m in
|
NJ 179
At end of road, turn left onto NJ 179
Navigation decision point
4
5.1 mi into trip
|
~6m in
Take the exit toward US 202 North: Flemington
Exit ramp - move to the correct lane early
Toward US 202 North: Flemington
5
5.8 mi into trip
|
~7m in
Take the exit toward NJ 31 South: Trenton
Exit ramp - move to the correct lane early
Toward NJ 31 South: Trenton
4
7.2 mi into trip
|
~10m in
|
Rocktown Hill Road
Turn right onto Rocktown Hill Road
Navigation decision point
Main Roads
| Road | Distance | Duration |
|---|---|---|
| NJ 179 | 5 mi | 6m |
| NJ 31 | 1.2 mi | 1m |
| US 202 | 0.2 mi | <1m |
| Rocktown-Lambertville Road | <0.1 mi | <1m |
| Bridge Street | <0.1 mi | <1m |
| Rocktown Hill Road | <0.1 mi | <1m |
| South Main Street | <0.1 mi | <1m |
Longest stretch:
NJ 179
— 5 mi, about 6m
Turn-by-Turn Driving Directions
Step-by-step road directions between Lambertville, NJ and Rocktown, NJ.
1
Start on South Main Street
49 ft
·
5 sec
·
South Main Street
2
Turn right onto NJ 29; NJ 179
274 ft
·
11 sec
·
Bridge Street
3
At end of road, turn left onto NJ 179
5.0 mi
·
6 min
·
NJ 179
4
Take the exit
0.5 mi
·
1 min
Toward US 202 North: Flemington
5
Merge onto US 202
0.2 mi
·
15 sec
·
US 202
6
Take the exit
0.2 mi
·
24 sec
Toward NJ 31 South: Trenton
7
Merge onto NJ 31; CR 579
1.2 mi
·
1 min
·
NJ 31; CR 579
8
Turn right onto Rocktown-Lambertville Road
417 ft
·
14 sec
·
Rocktown-Lambertville Road
9
Turn right onto Rocktown Hill Road
53 ft
·
2 sec
·
Rocktown Hill Road
10
Arrive at destination
Rocktown Hill Road
Fuel & Cost
Regular Gas
$1.19 one way
$2.39 round trip
$4.21/gal
25.4 MPG avg
3 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.61 | $1.31 | $2.61 |
| premium | $4.93 | $1.40 | $2.79 |
| diesel | $5.61 | $1.59 | $3.18 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$1
Estimated CO2 emission: 2.5 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $1 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 2.2 | 0 | $0.76 | $0.35 |
| Efficient EV | 1.8 | 0 | $0.63 | $0.29 |
| EV Truck/SUV | 2.9 | 0 | $1.01 | $0.46 |
Gas CO2
3 kg
EV CO2
1 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
Rocktown, NJ
Afternoon in Rocktown on Friday
Local time
3:26 PM
EDT
Current temp
44°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
1 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
10m 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.
Frequently Asked Questions
The drive from Lambertville, NJ to Rocktown, NJ covers 7.2 miles and takes about 10m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are NJ 179, NJ 31, US 202. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 3.6 miles from Lambertville, NJ. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $1.19 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This drive requires moderate attention. Across 7.2 miles you will encounter 8 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
The main spots that need attention: near the start (NJ 29; NJ 179 / Bridge Street): Navigation decision point; at 0.1 miles (NJ 179): Navigation decision point; at 5.1 miles: Exit ramp - move to the correct lane early.
The route from Lambertville, NJ to Rocktown, NJ does not surface many named destination signs beyond the main corridor.
Yes. Nearby national parks include Morristown National Historical Park.
How this page is built
Compiled by the Trip.ovh 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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