fic volumes at key intersections to inform level-of-service calculations.
3.8 Horizon Years
Select horizon years for analysis, including the development's opening year and five years thereafter. For multi-phase projects, conduct separate analyses at five-year intervals and consider additional horizon years as required by the MTO.
3.9 Future Background Conditions
3.9.1 Growth Rate
Estimate background traffic growth rates through historical data regression or use a nominal rate prescribed by the County if data is unavailable.
3.9.2 Planned Network Improvements
Identify anticipated transportation network improvements and their potential impacts on the transportation system, including route diversions.
3.9.3 Other Planned Developments
List significant nearby developments likely to influence traffic volumes and estimate their traffic impacts based on existing studies.
3.9.4 Future Background Traffic Operations
Estimate future traffic volumes by applying growth rates to existing data and incorporating traffic from planned developments. Analyze future intersection operations, summarizing results in a performance table.
3.10 Development Trips
3.10.1 Trip Generation
Estimate vehicle trips generated by the development using methodologies like surveys of similar projects or the ITE Trip Generation Manual. Adjust for pass-by trips and internal capture rates, documenting all assumptions and justifications.
3.10.2 Trip Distribution
Estimate the distribution of generated vehicle trips based on various data sources, considering the development type and surrounding land uses. Summarize the origin/destination distribution in a table.
3.10.3 Trip Assignment
Assign generated vehicle trips to the transportation network, ensuring logical routing and considering roadway capacities. Document access rights and patterns in the TIA report.
3.11 Future Total Conditions
3.11.1 Future Total Traffic Operations
Combine future background volumes and site trip assignments to derive total traffic volumes, analyzing intersection operations and summarizing performance results.
3.12 Traffic Impact Assessment
Identify critical movements at intersections based on v/c ratios and queue lengths. Recommend modifications to mitigate projected impacts, ensuring solutions are feasible and economical.
3.13 Safety Analysis
Conduct a safety analysis to assess the development's impact on road safety, considering conflict areas and potential risks for vulnerable road users.
3.14 Access Review
3.14.1 Access Design
Limit access points to the road network and evaluate sight distances and queue lengths to ensure safe and efficient access.
3.14.2 Turn Lane Requirements
Assess the necessity for turn lanes based on established criteria, ensuring adequate spacing between access points.
3.14.3 Traffic Control Devices
Evaluate the need for traffic control measures at access points and consider roundabouts as alternatives.
3.14.4 Turning Movement Conflicts
Examine potential conflicts from turning movements within the road right-of-way.
3.15 Site Circulation Review
Evaluate on-site circulation systems for parking and traffic operations, ensuring emergency access and proper loading facility design. Conduct swept path analyses for truck movements.
3.16 Walking and Cycling Considerations
Design an on-site circulation system for pedestrians and cyclists, connecting to existing facilities and ensuring accessibility. Encourage active transportation through site design features.
3.17 Findings and Recommendations
Summarize the TIA's key findings and recommendations, listing impacts for all analysis periods and proposing improvement measures within a logical timeframe.
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