Project Information

Bid Title

Task Order Development Traffic Analysis Services, RFQ 683943

Issuing Agency

Loudoun County

Location

Virginia

Published Date

Jan 21, 2026

Closing Date

Feb 19, 2026

Government Level

State & Local

Status

Closed

Ref. #

RFQ 683943

Original Source

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Bid Documents

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Project Description

Bid Number:	RFQ 683943
Bid Title:	Task Order Development Traffic Analysis Services, RFQ 683943
Category:	Procurement
Status:	Open

Description: The intent of this Request for Proposal (RFP) is for the County of Loudoun, Virginia (County) to obtain the services of qualified consulting Engineering Firms to provide, on an as-needed basis, professional traffic engineering in support of review of developer submitted traffic reports and studies. Contracts will be for a one (1) year base period with up to three (3) additional one (1) year renewal periods. The number of contracts awarded will depend on the number and quality of the proposals received, with a maximum of four (4). Typical services under this contract include, but are not limited to, the preparation of traffic warrant studies, including traffic signal warrants, signal justification reports (SJR), all-way stop control, and pedestrian crosswalk warrants associated with land development application traffic impact studies and/or developer-funded improvements. A County Purchase Order (PO) will be issued for each task prior to the start of work. Consultants will normally be selected on a rotating basis for individual tasks within each service group under Section 5.5; however, the County, at its sole discretion, reserves the right to select consultants out of rotation when deemed to be in the best interests of the County. Publication Date/Time: 1/21/2026 3:00 PM Publication Information: Request for Proposal Closing Date/Time: 2/19/2026 4:00 PM Contact Person: Farah Navder, CPPB Please see the attached document RFQ 683943 for additional contact information. Download Available: See Related Documents Business Hours: 8:30 AM to 5:00 PM Related Documents: RFQ 683943 (PDF) View Solicitation Abstract (PDF)

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Loudoun County, Virginia

REQUEST FOR PROPOSAL

TASK ORDER DEVELOPMENT TRAFFIC ANALYSIS SERVICES

ACCEPTANCE DATE:

Prior to 4:00 p.m., February 19, 2026 “Local Atomic” time

RFP NUMBER:

RFQ 683943

ACCEPTANCE PLACE:

Department of Finance and Procurement

Division of Procurement

1 Harrison Street, SE, 1st Floor,

Procurement Bids and Proposals Drop Box

Leesburg, Virginia 20175

PLEASE NOTE:

Please contact the Contracting Officer designated on the front cover of the solicitation with any

questions regarding this process. Offerors are strongly encouraged to check the County’s website

routinely for updates.

1. Proposal Forms. Proposal forms may be downloaded from the County’s web site:

www.loudoun.gov/procurement.

2. Questions: All inquiries and clarifications related to this Request for Proposal (RFP) must

be submitted via email to the Contracting Officer by 3:00 p.m. on February 4, 2026.

Please refer to Section 7.2 for further information

Requests for information related to this Proposal should be directed to:

Contracting Officer:

Farah Navder, CPPB

O: (571).627.7427 | F: 703.771.5097

E: Farah.Navder@loudoun.gov

Issue Date: January 21, 2026

IF YOU NEED ANY REASONABLE ACCOMMODATION FOR ANY TYPE OF DISABILITY

IN ORDER TO PARTICIPATE IN THIS PROCUREMENT, PLEASE CONTACT THIS

DIVISION AS SOON AS POSSIBLE.

RFP RFQ 683943

Task Order Development Traffic Analysis Services

Page 1 of 45

REQUEST FOR PROPOSAL

TASK ORDER DEVELOPMENT TRAFFIC ANALYSIS SERVICES

SECTION/TITLE

PAGE

1.0 PURPOSE AND GENERAL INFORMATION....................................................... 3

2.0 COMPETITION INTENDED ................................................................................. 3

3.0 BACKGROUND INFORMATION ......................................................................... 3

4.0 OFFEROR’S MINIMUM QUALIFICATIONS ........................................................ 3

5.0 SCOPE OF SERVICES ........................................................................................ 4

6.0 EVALUATION OF PROPOSALS & SELECTION PROCEDURES...................... 8

7.0 INSTRUCTIONS TO OFFERORS ...................................................................... 15

8.0 TERMS AND CONDITIONS............................................................................... 23

9.0 PROPOSAL SUBMITTAL FORM ...................................................................... 42

Prepared By: /s/ Farah Navder, CPPB

Contracting Officer

Date: January 21, 2026

RFP RFQ 683943

Task Order Development Traffic Analysis Services

Page 2 of 45

TASK ORDER DEVELOPMENT TRAFFIC ANALYSIS SERVICES

1.0 PURPOSE AND GENERAL INFORMATION

The intent of this Request for Proposal (RFP) is for the County of Loudoun, Virginia

(County) to obtain the services of qualified consulting Engineering Firms to

provide, on an as-needed basis, professional traffic engineering in support of

review of developer submitted traffic reports and studies. Contracts will be for a

one (1) year base period with up to three (3) additional one (1) year renewal periods.

The number of contracts awarded will depend on the number and quality of the

proposals received, with a maximum of four (4).

Typical services under this contract include, but are not limited to, the preparation

of traffic warrant studies, including traffic signal warrants, signal justification reports

(SJR), all-way stop control, and pedestrian crosswalk warrants associated with

land development application traffic impact studies and/or developer-funded

improvements.

A County Purchase Order (PO) will be issued for each task prior to the start of work.

Consultants will normally be selected on a rotating basis for individual tasks within

each service group under Section 5.5; however, the County, at its sole discretion,

reserves the right to select consultants out of rotation when deemed to be in the best

interests of the County.

2.0 COMPETITION INTENDED

It is the County’s intent that this RFP permits competition. It shall be the Offeror’s

responsibility to advise the Purchasing Agent in writing if any language, requirement,

specification, etc., or any combination thereof, inadvertently restricts or limits the

requirements stated in this RFP to a single source. The Purchasing Agent must

receive such notification not later than fifteen (15) days prior to the date set for

acceptance of proposals.

3.0 BACKGROUND INFORMATION

Loudoun County, Virginia, is located in the Washington, D.C., Metropolitan Area.

While protecting its rural and agricultural areas to the west, residential and

commercial growth in Loudoun County has been significant in suburban areas in

the east. With the opening of the Silver Line Metrorail Stations, Loudoun County is

expected to continue to be one of the fastest growing counties in the nation and

now consists of four geographic policy areas - Urban, Suburban, Transition, and

Rural - and several smaller planning areas designated as Joint Land Management

Areas (JLMA), which surround some of the County’s incorporated towns, and Rural

Historic Villages. Transportation in and through these areas is supported by

roadways in the Virginia Department of Transportation (VDOT) Primary and

Secondary Roadway Systems.

The County’s Department of Transportation and Capital Infrastructure (DTCI) has

received direction by the County Board of Supervisors that County staff manage

RFP RFQ 683943

Task Order Development Traffic Analysis Services

Page 3 of 45

and oversee the preparation of traffic warrant studies including traffic signal

warrant, signal justification reports, all-way stop control, pedestrian crosswalk

warrant and/or other studies associated with land development application traffic

impact studies and/or developer funded improvements. It is the intent of the

resultant Contract(s) to provide professional consulting services on an as-needed

basis to prepare analyses for developer-driven land use applications and

improvements.

4.0 OFFEROR’S MINIMUM QUALIFICATIONS

Intentionally Omitted.

5.0 SCOPE OF SERVICES

All proposals must be made on the basis of, and either meet or exceed, the

requirements contained herein. All Offerors must be able to provide professional

expertise for each service described herein. The services to be provided shall

include but not be limited to the following:

5.1 General Scope of Services:

A. A County issued Purchase Order must be issued for each task prior to

the start of work. The signed Purchase Order shall constitute the notice

to proceed, unless otherwise indicated.

B. Individual tasks may require supervision, manpower, materials,

equipment, and supplies necessary to complete any of the services

outlined below. All individuals performing work under the resultant

Contract must have the appropriate licenses, certifications, or

credentials that prove competence in tasks being performed. Proof of

licensure shall be provided in the proposal document.

C. All services shall be performed in compliance with the most current

applicable federal, state, and local standards, specifications,

policies, ordinances and regulations such as and not limited to the

Federal Highway Administration Manual on Uniform Traffic Control

Devices (MUTCD), Virginia Supplement to the MUTCD, VDOT

Traffic Operations and Safety Analysis Manual, Virginia Work Area

Protection Manual, VDOT Instructional and Informational

Memorandums, Loudoun County Countywide Transportation Plan,

Loudoun County Codified Ordinances, Loudoun County Traffic

Management Guide, and Loudoun County Facilities Standards

Manual.

D. The services to be provided under this Contract shall include, but not

be limited to, the following:

1. Evaluations, investigations, analysis, recommendations, cost

and time estimates, reports, studies, conceptual designs,

preparation of documents, field inspections and investigation,

field measurements, Geographic Information System (GIS) and

Mapping, visualization/graphic design, and public participation

and outreach.

RFP RFQ 683943

Task Order Development Traffic Analysis Services

Page 4 of 45

2. Professional involvement throughout all phases of the project,

including but not limited to, development of programs,

preparation of reports, periodic progress reports/meetings,

preparation for and participation in briefings and presentations

to staff groups, citizen groups, the County Board of Supervisors

and federal or state agencies, processing of invoices for

services, timely processing of project correspondence,

Consultants’ requests for payment, and material and

equipment submittals.

3. Coordination with other County Consultants.

4. Other types of professional and non-professional services of

a nature consistent with the intent of this RFP as so directed

by the County.

E. A Scope of Work will be developed by the County Project Manager

for each task order under this Contract. See Section 8.26 for

additional details on scope of work development.

1. The level of supervision, quality assurance, and staff assigned

by the Consultant to an individual task order will be clearly

defined in the Scope of Work.

2. The Consultant will make every effort to keep the personnel

assigned to a task order consistent, reference Section 8.21

3. Project documentation requirements to include report type

and content, content of engineering drawings, and the need

for a professional engineer’s stamp will be identified in the

Scope of Work.

4. A Project Manager shall be assigned to each task order by the

Consultant to provide consultation, engineering, and

management services. The Consultant’s Project Manager will

be responsible for staffing the work and the review of reports

for accuracy and completeness prior to submission to the

County. The Consultant’s Project Manager shall have the final

responsibility for quality control.

5. The Consultant shall provide a Quality Control (QC) program

narrative in their Task Order proposal with QC team members

identified. QC team shall be an independent senior member

of the Offeror and shall not be the Consultant’s Project

Manager.

F. The County will require Consultants awarded contracts as a result of

this RFP to use Trimble (formerly e-Builder) Construction Program

Management Software. The County will purchase one (1) license for

the Consultant’s use and will provide training for the Consultant to

ensure proficiency as recommended by Trimble. The license and

training will be provided to the Consultant at no cost. Further training

for lacking proficiency will be the responsibility of the Consultant.

RFP RFQ 683943

Task Order Development Traffic Analysis Services

Page 5 of 45

Commodity Codes

• NAICS 541330Engineering Services
• NAICS 541511Custom Computer Programming Services
• NAICS 541512Computer Systems Design Services
• NAICS 541519Other Computer Related Services
• NAICS 541611Administrative Management and General Management Consulting Services
• NAICS 541990All Other Professional, Scientific, and Technical Services

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