The government hopes they can serve as a blueprint for others across the country.
A new documentary tells how a paramedic unit from a troubled part of Pittsburgh became a national model.
After all, not everyone takes an off-ramp the same way.
NASA captured video of a bright meteor blazing through the morning sky this week.
The city is trying to be more transparent with its municipal operations.
A Pittsburgh-area artist commemorates the derelict house next door, starting with a coat of paint.
The humble traffic signal is gaining some new responsibilities.
In a city filled with illuminated signs, Westinghouse's light show was the one to watch for 30 years. Nostalgia for it remains.
Anything less reinforces negative public perception of the entire mode.
But they're not alone: roughly half the nation lives with unhealthy concentrations of ozone or particulate pollution.
Despite modest success, most systems have neither increased mass transit commute share nor the vitality of city centers.
Where lie the country's steepest, most muscle-shredding streets?
Comparing the Motor City's manufacturing woes to the rest of the region.
Our series drew impassioned responses from city boosters and haters alike.
The new geography of being young in America.
Festivities for a rubber duck Friday, and a man jumping off the bridge (safely) with joy last night.
Both BRT and streetcars are championed as tools for development. But only one has evidence to back that up.
Compared to other recent transit marketing campaigns, these seem pretty tolerable.
A story told in dots.