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Warrants and Justifications for Traffic Signs

The first two parts of this series dealt with warrants and justifications for traffic signals. Here the series concludes with a discussion of warrants and justifications for signs and other traffic control devices.  Justification for Stop Signs   Let’s go to the Minnesota MUTCD; section 2B.4: .03 YIELD or STOP signs should be used at an […]

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Warrants for Traffic Signals, Part 2: The Lyndale Avenue Example

Analyzing a Corridor Previously we went into what the warrants for signals were and went through some examples. So now let’s look at all the signals on a corridor. I picked South Lyndale Ave (with the exception of the signal at the ramp to MN 62, which is Mn/DOT operated. I’m going to cheat and just […]

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Warrants for Traffic Signals, Part 1

Previous articles of mine have covered just about every facet of traffic signals, including how they work, how timing and phasing are set, and even how to identify who made a particular signal. But what about how it’s decided whether to add or remove a signal in the first place? That is done through “warrants” […]

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