Highways 101

What the world's most advanced traffic system can—and can't—do for the city that invented gridlock. What infrastructure mystery keeps you up at night? Submit your Service Request by recording a voice memo with your question and emailing it to servicerequest@99pi.org. Service Requ ...  عرض المزيد

The surprising power of a simple phone number to connect a community. What infrastructure mystery keeps you up at night? Submit your Service Request by recording a voice memo with your question and emailing it to servicerequest@99pi.org. Service Request is a production of 99% Inv ...  عرض المزيد

<span style= "font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;"> <span style="font-size: 14pt;"><span data-preserver-spaces= "true">>> Get my new course: The</span><span ...

The rules vary from state to state, but there are specific guidelines for what services can and can't get a mention on U.S. highway signs. Learn more in this episode of BrainStuff, based on this article: https://auto.howstuffworks.com/tech-transport/who-featured-blue-highway-exit ...  عرض المزيد

In the US those ubiquitous blue highway signs that tell you which direction you’ll find a Burger King have an interesting backstory. See omnystudio.com/listener for privacy information. 

Ralph ist Kanadier in der ersten Generation, das heißt seine Eltern kamen aus Deutschland nach Kanada und er ist dort aufgewachsen. Ihn interessiert, wie das in Deutschland mit der Fahrschule funktioniert und mit den Autobahnen. Wir fangen an mit der deutschen Autobahn, die ja we ...  عرض المزيد