TravelTime

An overview of how the driving model calculates accurate drive times, including the data sources used.

Driving Model Overview

Details of how the public transport model works, including data sources.

Public Transport Model Overview

Some of the differences between the TravelTime driving and public transport models, and those from the Google Maps API.

How the transport models compare to Google Maps

Transport Models

An overview of how our public transport, driving, cycling, and walking models work.

How do you calculate journey times?

List of transport modes that can be used through the TravelTime API.

What modes of transport do you support?

Explanation for why there are sometimes disconnected areas in the public transport and driving isochrones.

Why are there disconnected areas in the isochrone?

Details of how the driving model accounts for traffic conditions throughout the day.

Does the driving model include live traffic?

Do you use Google Maps travel data?

Understanding why a public transport journey may not show up, and parameters that can be adjusted if required.

Why is a public transport journey not showing up?

Details of the other metrics (distances and fares) that can be calculated as well as travel times.

Can I calculate other metrics other than travel times?

Details of how the cycling model works, including how elevation impacts cycling speeds.

How does the cycling model work?

Details on how the logic for the driving+train model is built.

How does the driving+train model work?

Details of of how changes between different modes of transport are accounted for in the public transport models.

Is the time needed to change trains or busses included?

Details of how walking sections are accounted for in the public transport models.

Is walking included in the public transport models?

Details of how the TravelTime transport models select the optimal route between two locations.

How do the models determine which route to take?

Details of the snapping behaviour when a driving route begins away from a road.

What happens if a driving journey begins away from a road?

Details of the default walking speed used in all of the TravelTime transport models.

What is the default walking speed?

Details of the different modes of transport available through the TravelTime API.

What modes of transport are included in the public transport model?

Count the separate public transport legs in one journey.

How can I see how many different public transport parts there are in a route?

Details of what future transport networks we support

Do you support future transport networks?

Can I make changes to the underlying transport network before running my analysis?

Details of how to benchmark the driving model vs other providers

How accurate are the drive times?

Transport Model FAQs

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