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• Travel times using any combination of three transport modes: foot,bicycle, and public transport.
• Ratios of multi-modal times to equivalent travel times in privateautomobile, including local infrastructure-specific estimates of timedelays due to parking.

1. A representation of the local street network, inosmdata_scformat,potentially including elevation data to accommodate effects ofincline on pedestrian and bicycle travel times.
2. A GTFS (General Transit Feed Specification)-format data file ofpublic transport data for the study city or location.

The following parameters need to be specified:

1. Name of city - used to name locally-cached files formed duringpre-processing.
2. Day of the week for which public transport is to be analysed.
3. Starting time limits defining the public transport component of thejourney, from which the fastest single journey to every destinationwill be calculated.
4. Initial and final modes of transport, as either pedestrian orbicycle.
5. A selection of starting points from which to calculate eithermulti-modal travel times, or durations of those times to equivalentautomobile times.

Travel times are always calculated to every destination point in a givennetwork, with a single query returning matrices of times, one row foreach origin point, and columns holding travel times to all possibledestination points.