Santa Clara River Trail Final Master Plan - Development Services ...

Chapter 2: Gap Analysis, Geographic Impediments and Alternatives Analysis
System gaps: Larger geographic areas (e.g., a neighborhood or business district) where few or no
bikeways exist would be identified as system gaps. System gaps exist in areas where a minimum
of two intersecting bikeways would be required to achieve the target network density (does not
apply for walkway gaps).
Gaps typically exist where physical or other constraints impede walkway or bikeway network
development. Typical constraints include narrow bridges on existing roadways, severe cross-slopes, and
potential environmental damage associated with wider pavement widths. Traffic mobility standards,
economic development strategies, and other policy decisions may also lead to gaps in a network. For
instance, a community’s strong desire for on-street parking or increased vehicle capacity may hinder
efforts to install continuous bike lanes along a major street.
Figure 1 presents a theoretical diagram illustrating the five gap types described above.
Gap Closure Measures
Figure 1. Diagram of Gap Types
Numerous approaches exist for addressing walkway and bikeway system gaps. The following sections
discuss various gap closure measures, ranging from minor treatments (e.g., signage) to larger-scale
applications (e.g., new off-street path corridors). The measures generally fall into three categories:
On-street pedestrian gap closure measures
On-street bicycle gap closure measures
Off-street gap closure measures
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