Pretrained computer vision classifier

Identify width of road lane in feet with one API call.

A pretrained width of road lane in feet classifier that sorts an image into one of 10 categories — the width of the road lane in feet.. Use the width of road lane in feet API immediately, no training required, then adapt it to your own data when you need more.

Pretrained · Nyckel-trained 10 labels out of the box Image input

Try the width of road lane in feet classifier

Drop in a photo and get the prediction back. No signup, no setup.

What this width of road lane in feet classifier recognizes

A sample of the 51 labels this pretrained classifier chooses between.

1 Foot
10 Feet
11 Feet
12 Feet
13 Feet
14 Feet
15 Feet
16 Feet
17 Feet
18 Feet

Need a label that isn't here? Clone the classifier into your Nyckel console and edit the label set to fit your data.

Call the width of road lane in feet API

Once you've added this classifier to your console, you get your own copy of it behind your own endpoint. Invoke it with any HTTP client:

curl

curl -X POST "https://www.nyckel.com/v1/functions/YOUR_FUNCTION_ID/invoke" \
  -H "Authorization: Bearer $NYCKEL_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"data": "https://example.com/photo.jpg"}'

Python

import requests

# Get an access token: https://www.nyckel.com/docs/api/overview/authentication/
token = "YOUR_ACCESS_TOKEN"

response = requests.post(
    "https://www.nyckel.com/v1/functions/YOUR_FUNCTION_ID/invoke",
    headers={"Authorization": "Bearer " + token},
    json={"data": "https://example.com/photo.jpg"},
)
print(response.json())

Example response

{
  "labelName": "1 Foot",
  "labelId": "label_...",
  "confidence": 0.92
}

Under the hood

Model type
Nyckel-trained

Trained on a Nyckel-curated dataset covering 10 width of road lane in feet categories, served on Nyckel's own infrastructure — your image stays on Nyckel.

Input
Image

Send an image URL or file to the invoke endpoint; the response is a label with a confidence score.

Make it yours
Adaptable

Clone it, then correct predictions and add your own samples in the console — Nyckel retrains automatically, turning this into a custom model tuned to your data.

More than a demo: this page is one of thousands of pretrained functions on Nyckel, an ML classification platform. You can invoke classifiers by API, review predictions, correct labels, collect samples from production traffic, and promote any pretrained function to a private custom model — without changing your integration.

Where teams use width of road lane in feet classification

Traffic Safety Analysis

This use case involves analyzing the width of road lanes to identify unsafe conditions that could lead to accidents. By classifying lanes sufficiently wide or too narrow, city planners can make informed decisions about road improvements and traffic safety measures.

Infrastructure Planning

Urban planners can use the width classification to design new roads that comply with regulatory standards. Accurate lane width measurements help ensure that new infrastructures provide safe and comfortable travel for vehicles and pedestrians.

Autonomous Vehicle Navigation

Autonomous vehicle systems can leverage lane width data to improve navigation accuracy. By understanding lane dimensions, vehicles can optimize their driving algorithms for safe lane changes and proper positioning within lanes.

Road Maintenance Prioritization

Municipalities can assess lane widths to prioritize road maintenance efforts. Roads with widths that no longer meet specifications may require immediate maintenance to prevent wear and tear that impacts transportation efficiency.

Traffic Flow Optimization

Transportation analysts can analyze lane widths to identify potential bottlenecks in traffic flow. By correlating lane width data with traffic patterns, solutions can be proposed to alleviate congestion based on lane optimization strategies.

Insurer Risk Assessment

Insurance companies can use lane width classification in evaluating risks associated with different road conditions. Understanding lane widths aids in determining policy premiums and assessing potential claims related to accidents that may result from inadequate road specifications.

Environmental Impact Studies

Environmental organizations can utilize lane width data for studies related to road expansion and its effects on ecosystems. By classifying existing lane sizes, impacts on wildlife corridors and local habitats can be better understood during the planning of new road constructions.

Common questions

What's the difference between a zero-shot and a Nyckel-trained classifier?

A zero-shot classifier uses a large foundation model's general knowledge to pick between your labels — no task-specific training, so new or edited labels work immediately. A Nyckel-trained classifier has been trained on labeled examples and runs on Nyckel's own infrastructure, which typically makes it faster, cheaper per call, and more accurate on data that resembles its training set. The "Under the hood" section on this page shows which kind this classifier is, and any classifier can be adapted into a trained one by adding your own examples.

How do I know whether this will work for my application?

Honestly: we can't know in advance — it depends on your data stream and how closely it resembles what this classifier has seen. The reliable way to find out is to measure it on your own data: start invoking the classifier with real traffic, or upload and annotate a set of images in the console — make sure they look like your production data, not idealized examples. Nyckel's evaluation metrics then show you exactly how it performs on that data before you rely on it.

What happens when it makes a mistake?

No classifier is perfect, so Nyckel is built around the correction loop: invokes can be captured for review, you confirm or correct predictions in the console, and corrections become training data. Over time the model adapts to your data distribution — accuracy on your traffic improves with use rather than staying fixed.

Do I need training data to get started?

No. This width of road lane in feet classifier works out of the box — clone it into your console and you'll have your own API endpoint in under a minute. Training data only enters the picture when you want to adapt it: your corrected predictions and uploaded samples improve the model, and you can also edit the label set to match your needs.

What does it cost to try?

Trying the classifier on this page is free with no signup. Cloning it requires a free account, and the free tier covers your first API calls each month — see nyckel.com/pricing for current limits and paid tiers.

Ready to classify width of road lane in feet at scale?

Add this pretrained classifier to your Nyckel console — you'll get a live API endpoint in under a minute, and a path to a custom model when you need one.