Accounting for Seasonal Variations in Transportation Mode

People use different transportation systems depending on the time of year, yet transportation planning rarely accounts for this seasonal variation.

1 minute read

March 12, 2016, 5:00 AM PST

By James Brasuell @CasualBrasuell


"Understanding when and how people get around is essential in planning transportation operations," according to an article by Yonah Freemark, because "it affects how much service should be provided." That is, people use transportation systems in different ways depending on the time of the year—and those differences in use also vary depending on the transportation system.

So for instance, in 2015, "roughly nine times as many people rode Chicago’s Divvy bike share system in July as in January." Also, "[on] an average weekday in September 2014, for example, CTA buses served 25 percent more riders than on an average weekday in January," adds Freemark.

Freemark breaks down the seasonal usage of other transportation modes in Chicago, before identifying similar trends in other cities like Los Angeles and Seattle. The point: that transportation planners should continue to explore the effects of seasonal variations and perhaps take them into account when setting schedules and routes.

Wednesday, March 2, 2016 in Metropolitan Planning Council

Young Professional

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching. Mary G., Urban and Environmental Planner

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching.

Mary G., Urban and Environmental Planner

Get top-rated, practical training for planners

"Planetizen federal action tracker" logo superimposed over black and white image of US Capitol dome.

Planetizen Federal Action Tracker

A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.

October 28, 2026 - Zachary Whalen

A car drives through a puddle, making a large splash. Rain pours down.

California plans to bury El Niño’s downpour

If the state plays its cards right, it may be able to store a billion acre-feet of El Niño’s water in aquifers.

October 28, 2026 - Grist

A pencil rendering of Foundry Park, which shows skyscrapers and public green spaces.

Chicago breaks ground on $3 billion megadevelopment

The new neighborhood, titled Foundry Park, will one day host 3,700 residences.

October 23, 2026 - Chicago Sun Times

Lake Powell with much of the water evaporated.

Desperate measures: Advocates weigh draining Lake Powell to fill Colorado River

Draining the reservoir could reduce evaporation losses by a couple hundred thousand acre-feet.

15 minutes ago - Yale Environment 360

An Ariel view of Ocean Parkway, a busy six-lane highway

This road in NYC is infamously dangerous — and Mamdani can't fix it

New York City's Ocean Parkway is known for reckless driving, but the power to implement safety measures lies with the state rather than the city.

1 hour ago - Gothamist

People walking in Denver next to a red bus.

One of Denver’s busiest corridors to gain BRT

The project will span 18 miles and contain 74 bus rapid transit stations.

October 29 - Transportation Today News