Section 4. – Site Access Studies 

 Section 4.1. – Operational Analysis 

Los Angeles County Traffic Study Guidelines Section 4.1.1. - Introduction

 The site access and circulation constraints related to the provision of access to and

 from the project site may be analyzed as part of the project’s environmental review.

 The analysis should address the site access and circulation needs of vehicles,

 bicycles and pedestrians. If the operation analysis is determined to be necessary in

 consultation with Public Works, operational performance may be quantified for

 primary site access points, unsignalized intersections integral to the project’s site 

 access, and signalized intersections in the vicinity of the project site.

 Section 4.1.2. - Screening Criteria

Los Angeles County Traffic Study GuidelinesSection 4.1.2.1. - Development Projects

 For development projects, if the answer is yes to the following questions, further analysis

 may be required to assess whether the project would negatively affect project access and

 circulation:

 Is the project required to submit a Transportation Impact Analysis?

 Does the development project involve a discretionary action that would be

 reviewed by the Department of Regional Planning?

Los Angeles County Traffic Study Guidelines Section 4.1.3. - Evaluation Criteria

Los Angeles County Traffic Study Guidelines Section 4.1.3.1. - Operational Deficiencies

 The Transportation Impact Analysis should include a quantitative evaluation of the

 project’s expected access and circulation operations. Project access is considered constrained if the project’s traffic would contribute to unacceptable queuing at nearby signalized intersections. Unacceptable or extended queuing may be defined as follows:

• Spill over from turn pockets into through lanes,
• Spill over into intersections.

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