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Pennsylvania will ask Uber Technologies Inc. and any company developing self-driving cars with the same technology onboard to immediately stop testing.

Houston will join 21 other cities in a national partnership aimed at addressing persistent transportation challenges as technology and mobility choices have planners rethinking how streets, sidewalks and private spaces interact.

After years of calling to restore highway user revenue, transportation advocates may see the funding return by fiscal 2020.

Over and over in their decadeslong war on smog, Southern California regulators have failed to use a powerful tool against ports, warehouses and other freight and logistics hubs that are magnets for air pollution.

The fatal crash involving an Uber self-driving car in Arizona last month has not dissuaded the North Carolina Turnpike Authority from urging companies to test autonomous vehicles on the Triangle Expressway in western Wake County.

Groups representing truckers and other motorists asked a federal judge April 2 to halt the Pennsylvania Turnpike Commission’s payments to PennDOT for state transportation projects while the court decides their claims that turnpike tolls are unconstitutionally excessive.

WASHINGTON — On the campaign trail, President Donald Trump reiterated his pledge to “Make America Great Again” by reinvesting in infrastructure projects around the country. The news was greeted favorably by not only voters, but also municipal governments and the transportation industry.

California began accepting applications April 2 for permits to deploy self-driving cars on public roads without a human backup driver at the wheel.

Stock prices opened the second quarter with another sharp decline April 2 as investors grew increasingly worried about the rising U.S. trade dispute with China and a flurry of problems hammering the nation’s marquee technology firms.

U.S. lawmakers have applied a light touch in regulating robot cars. At the national level, the Trump administration has proclaimed that driverless-car guidelines should be “entirely voluntary” for automakers, and bills pending in Congress would clear the way to putting tens of thousands of autonomous cars on the road — orders of magnitude more than the few hundred in the country today — before federal safety regulations are set.