More Environment Transportation Stories

The Buzz: What happens when Washington comes to town?

The Buzz rides along as a federal advisor goes on a tour with city officials.

Truck driver who caused toxic spill on I-10 was well over legal limit for alcohol at the time of the crash

Autopsy results show Rickey Immel had a blood-alcohol level almost eight times the limit for commercial drivers

It’s electric: ADOT planning a statewide network of EV chargers along interstates

The Arizona Department of Transportation will oversee the upgrade of existing chargers and installation of new ones along five interstate highways.

The Buzz: A strong monsoon brings road closures and floods

Why does some infrastructure get overwhelmed by above-average summer rain?

Pima County Issues Ground-Level Ozone Advisory

Thursday marks the second consecutive day of an advisory.

Officials approve corridor for part of proposed of new I-11

Depending on which of two alternatives is chosen, I-11 would track the existing Interstate 10 through Tucson or be routed across desert west of the city.

City of Tucson adds five new electric buses to fleet

City officials said it is part of a push to cut carbon emissions.

With fewer cars on the streets, Tucson's air quality is improving

Pandemic restrictions are a factor in the air quality improvements, a county official says.

ADOT widens I-10, but will it be enough?

The number of cars traveling between Tucson and Casa Grande could quadruple in two decades.

Tucson is getting electric buses, but more people are choosing to drive

The buses could reduce the city's greenhouse gas emissions, but ridership is at a 10-year low.

Tucson's bike share program adding docking stations

The city says it's bringing Tugo bicycles to more Tucson neighborhoods.

Tucson City Council opposes proposed Interstate 11

A resolution lays out the environmental and economic reasons for the opposition.

'Bike Ranch' Proposed Across From Saguaro National Park East

The Pima County Board of Supervisors will vote later this month whether to approve the development in the park's buffer zone.

State Seeks Public Comment on Proposed New Interstate

The Arizona Department of Transportation has released its preferred route for a new interstate from the Mexican border to north of Phoenix.

Proposed Arizona Highway I-11 Generates Support, Opposition

Some are calling a smart step toward boosting trade, while others say it's unnecessary and warn of its environmental impact.

Appeal of Sabino Canyon Tram Change Could Mean Lapse in Service

A pending appeal of the new contract award could delay the start of operations by the new operator.

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