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Strategies to improve the connectivity of the street network, such as the tools outlined in Toolset T-1: Increasing Connectivity for Pedestrians, Bicycles, and Local Traffic, can have the unintended effect of encouraging vehicular traffic to cut through Marin’s residential neighborhoods.

The first solution to discouraging cut-through traffic is to properly design the street network and the capacity of streets that are intended to carry through so that through traffic stays on the facilities that should carry the traffic. Auto-dominated major streets should be redesigned to provide better access for pedestrians, bicyclists, and transit without sacrificing the through traffic function of these streets. See Tool T-1.1: Multi-modal Network of Roads and Toolset T-3: Multi-Modal Arterial and Neighborhood Street Design.

When cut-through traffic either already exists or there is the potential that street redesign may lead to cut-through traffic, traffic calming strategies such as those outlined in the previous tool will help reduce cut-through traffic, but in certain cases, more significant steps must be taken to limit vehicular access. The following strategies are appropriate for all TOD/PeD contexts found in Marin and are arranged from least to greatest impact on limiting cut-through traffic. The proper solution for each individual location must be determined through a targeted design process. Care needs to be taken that the installation of these elements does not lead to unintended consequences, such as increased emergency response times, neighborhood traffic concentrations on other streets, increased use of regional streets for neighborhood trips, etc.

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Last updated: 6/30/2009 1:36:50 PM