Take 2: Regulating traffic flow with stop lights at entrance ramps
On this week’s Talking Michigan Transportation podcast, some context from elsewhere on freeway ramp metering, where it works well and why.First, Angie Drumm, deputy director of traffic and safety for the Colorado Department of Transportation (CDOT) region that includes Metro Denver, joins the conversation to talk about the history there and what’s been learned.Later, Lawrence Dwyer, director of safety and mobility at the American Association of State Highway and Transportation Officials (AASHTO), offers a national perspective on the concept and other innovations in traffic safety.This podcast is the second of two focusing on ramp metering. Last week, the conversation focused on implementation of the approach on I-96 in Michigan’s western Oakland County.
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27:35
Why do we need a green light to enter a freeway?
After a long hiatus, Michigan is again implementing ramp metering, which helps regulate the flow of traffic from ramps onto busy freeways. It will be used on the I-96 Flex Route portion in western Oakland County.On this week’s Talking Michigan Transportation podcast, Sarah Gill, operations engineer for the Michigan Department of Transportation’s (MDOT) Metro Region, talks about how it will work and the history of ramp metering in Michigan. Gill explains the key reasons for implementing ramp metering, which include improving merging, reducing crashes and reducing travel times. An MDOT how-to video offers guidance on the concept.Next week’s episode will delve farther into the topic and include conversations with a traffic safety engineer with the Colorado Department of Transportation (CDOT), who will talk about how successful the concept has been in the rapidly growing Denver area. You’ll also hear a national perspective from the director of safety and mobility at the American Association of State Highway and Transportation Officials (AASHTO).
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29:19
EVs, magnets and drones. Oh, my!
On this week’s edition of the Talking Michigan Transportation podcast, a check-in with Joann Muller, the Detroit-based transportation correspondent for Axios.Muller explains the thinking behind General Motors officials’ announcement to invest $4 billion in the U.S. and move some vehicle production back from Mexico.She also offers some insight she gained in reporting on negotiations between the U.S. and China over rare earth magnets, underscoring the need for the U.S. to develop a long-term strategy.Also discussed: The likely result of easing regulations that have held back commercial drones in the U.S.
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24:31
Dr. Fraud: Do NOT respond to texts about unpaid tolls
On this week’s edition of the Talking Michigan Transportation podcast, a conversation with J. Michael Skiba, also known as “Dr. Fraud,” a national expert on scams, like those proliferating in Michigan and other states, where text messages tell people they have unpaid road tolls. Skiba is department chair at Colorado State University Global where he oversees the Criminal Justice Department, including specializations in fraud, financial crime, and cybercrime. He discusses the psychology that prompts so many victims of online fraud to engage with scammers on smishing attempts. If you’ve been targeted, the FCC offers many tips. In April, the Michigan Department of Transportation released a video of Director Bradley C. Wieferich urging people not to respond to the texts.
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24:55
Reprise: Managing traffic during road construction; and what about the zipper merge?
As road work continues across Michigan, police are on high alert for speeding and distracted drivers causing crashes during backups. On this week’s Talking Michigan Transportation podcast, a conversation about efforts engineers take to balance mobility and safety during active road work. Lindsey Renner, division administrator for Construction Field Services at the Michigan Department of Transportation (MDOT) and a former supervisor of the Work Zone Safety section, explains the challenges. Among innovative methods in use are rumble strips to alert people as they approach a work zone, speed trailers and law enforcement employing a Ghost Rider program to identify distracted drivers. Renner also talks about the zipper merge as a means of encouraging drivers to alternate when work requires a lane to be closed. Other relevant links: MDOT Work Zone SafetyMichigan.gov/MDOT/Travel/Safety/Road-Users/Work-Zone-SafetyThe Zipper Merge Explained With Kidsyoutu.be/TLAISm1XuHQOperation Ghost Riderbridgemi.com/michigan-government/ghost-riders-lookout-distracted-drivers-michigan
The Talking Michigan Transportation podcast features conversations with transportation experts inside and outside MDOT and will touch on anything and everything related to mobility, including rail, transit and the development of connected and automated vehicles.
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