The Vendor is required to provide transportation planning and traffic engineering consultants/firms to provide consulting services in support of capital improvement projects and development projects throughout the city on an as-needed basis.
- Transportation Planning:
• Traffic study and development plan review – includes review of traffic study methodologies, traffic studies and development plans submitted to the city from developers to support comprehensive plan amendments, rezoning, and proposed development plans.
• Parking studies – includes review of parking study methodologies, parking studies submitted to the city from developers to support proposed development plans, and conduction parking demand studies for city initiated projects.
• Project feasibility and alternative analysis studies - planning studies and analysis for corridors and projects that promote improvements of surface transportation, transit systems and land use in the city, and that meet federal, state, and local process requirements enabling the project to receive federal or state funding assistance. work in this broad category includes typical requirements for PD&E and RCA.
• Complete street studies – includes transportation corridor studies that evaluate different alternatives for management of existing and future traffic flow including, but not limited to: alternative lane configurations; access management; on-street parking recommendations; intersection control options; alternative intersection designs; bicycle and pedestrian connectivity; transit needs; its/traffic operations analysis; right-of-way and utility impacts; lighting enhancements; streets aping; public involvement; and potential impacts to intersecting streets.
• Transportation concurrency management system – assist city staff with update of the concurrency management system. this work could include incorporating recent traffic counts in the CMS spreadsheets, reviewing private developments and their applications for concurrency permits, and updates to the overall transportation concurrency management system.
• Travel demand modeling – using the currently adopted travel demand model, provide model generated information to assist city staff review large-scale project or assist with updates to the comprehensive plan.
• Comprehensive plan updates – assist city staff in updating the city comprehensive plan. work includes developing goals, objectives and policies; land use projections; roadway level of service analysis; capital improvements program updates; and roadway improvement cost estimates.
• Graphic design – includes artistic/aesthetic support to enhance publishing of planning documents, mapping, and related items.
• Impact fee updates – assist city staff with impact fee updates. the work could include researching current rates for various land uses, developing rates for new land uses, and reviewing other impact fee ordinances in and around orange county.
- Data collection:
• Turning movement counts - includes 2, 4, 6 or 8-hour intersection turning movement counts, including vehicles, trucks, pedestrians, and bicyclists, summarized in 15-minute periods and hourly totals for each lane group. in addition to the volume summaries, the report shall include the date, name of technician, an intersection diagram, north arrow, and the weather condition. pedestrian and bicycle counts shall be summarized separately in the format to be determined by the city.
• Machine traffic counts - includes 24-hour, 48-hour and 72-hour directional counts which may require volumes only or volume, speed, and classification.
• Volumes shall be summarized by direction and total, in 15- minute intervals, hourly sub-totals, and daily totals.
• Speed studies shall include, at a minimum, the 85th percentile speed, the 50th percentile speed, and the 10-mph pace.
• Classification counts shall include a breakdown of the number and percentage of vehicles by agency class and calculation of the peak hour and 24-hour truck factors for categories 5 through 13.
• Pedestrian and bicycle screen line or intersection turning movement counts – the screen line count will obtain the number of pedestrians and/or bicyclists at several locations along imaginary lines (screen lines) which divide the study area into parts.
• Turning movement counts will capture vehicle and bicycle turning movements and pedestrian crossing counts.
- Studies and analysis:
• Spot speed studies - includes 1- to 2-hour directional radar gun speed studies to determine the mean speed, 85th-percentile speed, 50th percentile speed, 10 mph pace, number in pace, standard deviation and variance.
• Intersection delay studies – includes field data collection and preparation of a report containing the data summary, date, location map, north arrow, and general conditions and observations.
• Corridor travel time and delay studies - includes field data collection with 3 to 6 runs per direction for the specified corridor and preparation of a report summarizing the directional and overall delays, average speeds, and directional and overall levels-of service.
• Origin and destination studies – includes data collection and statistical summary of directional trips for 2-hour peak periods and preparation of a report including an executive summary and appendix containing the field data.
• A variety of methods could be used to collect the data, which could include field observation, license plate tracking, surveys, blue-tooth technology, or other methods as approved by the city by task.
• Traffic signal warrant studies – includes data collection, data analysis, and preparation of a report summarizing the findings and recommendations.
• Roundabout warrant studies - includes data collection, data analysis, and preparation of a report summarizing the findings and recommendations.
• Roundabout evaluation - includes screening, benefit-cost evaluation, geometric and operational analysis, and preparation of a roundabout summary report related to the evaluation of the suitability of a roundabout in comparison to traditional intersection design.
• The procedures outlined in the agency design manual for roundabout evaluation should be followed.
• Multi-way stop warrant studies – includes data collection, data analysis, and preparation of a report summarizing the findings and recommendations.
• Traffic operational and safety studies – includes data collection and preparation of a report to include a review of the existing conditions, review of the background data, safety and capacity analysis, identification of substandard conditions, and recommendations for short-term and long- range solutions, including concept plans. these studies may include evaluation of the current posted speed limit, advisory speeds, no passing zones, multi modal level of service analysis of intersections and roadways following the highway capacity manual methodology and using synchro and/or highway capacity software, analysis of alternative improvements using agency highway safety manual (HSM) predictive method procedures, cost estimates for recommended improvements and/or benefit/cost and present value calculations.
• School safety studies – includes data collection and preparation of a report to include a review of the existing conditions, review of the background data, condition diagrams of existing traffic control devices, safety analysis, identification of substandard conditions, and recommendations for short- term and long-range solutions, including concept plans, related to school traffic control devices.
• These studies may require identification of needs to bring specific school zones into compliance with the agency speed zoning manual, current state law, and/or the technical components needed to support a safe routes to school grant application.
• Access management studies – includes evaluation of access management related to both safety and roadway level of service and capacity and preparation of a report which summarizes recommendations.
• These studies include crash data analysis and may be related to site development or to corridor performance.
• The consultant may be required to recommend an appropriate access management classification in accordance with city standards or may be required to assist the city in updating city standards.
• Traffic calming studies – includes a field review, collection of traffic counts, speed study, and preparation of a report which summarizes the study finding and recommendations as to the application and location of speed
• Pedestrian and bicycle safety studies – includes data collection and preparation of a report to include a review of the existing conditions, review of the background data, safety and multimodal level of service analysis, gap analysis, identification of substandard conditions, and description of short term and long-range solutions with a focus on pedestrian and bicycle safety.
• These studies may include analysis of alternative improvements using agency highway safety manual (HSM) predictive method procedures, cost estimates for recommended improvements, and/or benefit/cost and present value calculations.
• Road safety audit – includes performance of a formal safety examination of an existing or future roadway or intersection as part of a multi-disciplinary team and preparation of a formal response report following agency 8-step RSA process.
• This process reports on existing or potential road safety issues and identifies opportunities for improvements in safety for all road users.
• Cost estimates for recommended improvements, and/or benefit/cost and present value calculations may be required.
• Humps and/or other traffic calming devices.
• The consultant may be required to conduct research and literature review related to the application and effectiveness of various traffic calming devices and make recommendations for implementation.
• Crash data analysis - includes collection of crash data for a time period to be specified (typically 3 or 5 years) and preparation of a report which includes crash summaries, crash diagrams, and a summary of crash patterns, statistics, and recommendations for safety countermeasures.
• Crash summaries should include crash report number, day/date/time of crash, crash type, severity, lighting condition, weather condition, contributing cause, crashes related to alcohol/drugs/distractions, property damage value, calculation of crash rates and GIS mapping may be included.
• Roadway lighting justification analysis - includes the analysis and justification to determine the need for corridor or intersection lighting per the state design manual, and the agency lighting handbook, as applicable based on the project type.
• Analysis and determination of whether existing lighting meets standards, and any needed upgrades may also be included.
• Synchro signal and corridor re-timing analysis – includes an assessment of the existing operations, optimization of a single signal or signal system timings and settings, and develop, implement, and fine-tune new system timings.
- Design:
• Traffic signal and its design – includes the design and preparation of construction plans for new signals and modification of existing signals, as well as specifications and an engineer’s estimate of construction costs.
• Roundabout design - includes the design and preparation of construction plans for new roundabouts and modification of existing roundabouts, as well as specifications and an engineer’s estimate of construction costs.
• Roadway design - includes the design and preparation of construction plans for new roadways and widening of existing roadways, as well as specifications and an engineer’s estimate of construction costs.
• This includes modeling, designing and permitting drainage systems that accompany roadway design.
• Signing and pavement marking design – includes the design and preparation of construction plans for signing and pavement markings at new locations and modification of existing locations, as well as specifications and an engineer’s estimate of construction costs.
• Access management design - includes the design and preparation of construction plans for access management plans and modification of existing access management plans, as well as specifications and an engineer’s estimate of construction costs.
• Maintenance of traffic design – includes the design and preparation of temporary traffic control plans for construction or maintenance activates including diversion and detour plans.
• Minor intersection design - includes the design and preparation of construction plans for minor intersection and mid-block roadway improvements, as well as an engineer’s estimate of construction costs.
• Guardrail analysis and design – includes analysis and justification to determine the need for guardrail in spot locations and the design of the recommended installation, if found to be needed.
• Minor design projects – this can include, but is not limited to sidewalks, trails, parking lots, and other small roadway related projects that require design and signed and sealed construction plans.
- Contract Period/Term: 5 years
- Questions/Inquires Deadline: April 10, 2025