Principles and Guidance for Presenting Active Traffic Management Information to Drivers (2021) / Chapter Skim
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Pages 141-146
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132 APPENDIX A: Full Interview Responses & Follow-Up Survey Results Full Interview Responses California respondent – Marco Ruano, marco.ruano@dot.ca.gov 1. What ATM strategies are currently deployed or being considered for deployment in your jurisdiction?
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133 5. What resources did your agency use (e.g., documents, guidance, peer deployments)
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134 Dynamic junction at I-5/SR 110 – A new project is underway to help manage the movement in that lane with only digital overhead signage. The intent was/is to make it more adaptive after we worked out the kinks, but had challenges with initial design.
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135 Permanent systems: reversible lanes on I-90, I-90 Tollway SmartRoad under construction for dynamic lane control and queue warning opening 2017, signs over each lane; shoulder running for buses [NOTE: RESPONSES BELOW ONLY FOR WORK ZONE SYSTEMS]
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136 We typically use the system-provided recommendations for messages to post on the PCMS – if there is no congestion, post something like "left lane closed ahead, use caution"; when speeds drop below a certain threshold, post "slow traffic ahead"; when speeds are under 25 mph, post something like "slow traffic ahead, be prepared to stop." 6. How did your agency choose the types and distribution of signs (e.g., fully dynamic over every lane at ¼-mile spacing)
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137 10. If you could do the ATM deployment again, what would you do differently and why?
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