Skip to main contentPsst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveFree Webinar — Wednesday, September 30 at 2:00 PM EDT

Register Free →

Traffic Analysis and Modeling Sub-consultant

Active
State & Local

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

AI Contract Overview

Show more

This subcontract opportunity is for a Traffic Analysis and Modeling Sub-consultant to support prime contractors on Route 15 widening projects in Loudoun County, Virginia. The selected provider will be responsible for performing technical traffic operations and safety evaluations, which includes developing and executing VISSIM models to analyze current and future traffic conditions and performing volume projections. The role requires specialized expertise in VISSIM modeling to deliver comprehensive traffic analysis reports, model results, and safety evaluation summaries. This opportunity falls under NAICS code 541330, with a response deadline of October 22, 2026.

General Info

Traffic analysis and VISSIM modeling for Route 15 widening in Loudoun County, Virginia.

Agency

Virginia → Loudoun CountyView Agency

NAICS

541330 - Engineering ServicesView NAICS

Place of Performance

Not specified

Set-Aside

NONE

Documents

This scope was carved out of RFQ 714030.

The full solicitation package (3 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Roadway & Civil Design Services for Route 15 Widening - Montresor Rd to Lucketts Bypass, RFQ 714030

AI Contract Breakdown

Uniform Contract Format

No contract breakdown available.

Cannot generate Contract Breakdown because no documents were found from this contract's source.

Timeline

Posted

subcontract

Response Deadline

Submission deadline

Response Deadline

Ready to pursue this opportunity?

Start your free trial to track this contract, build proposals with AI assistance, and manage your pipeline.

Organization & Contact Information

Show more
AgencyVirginia → Loudoun County
ContactsNo contacts available
OfficeN/A
Organization / Agency
Virginia → Loudoun County
View Agency Profile
Office AddressN/A
ContactsNo contact information available

Full Description

Show more
Performs technical traffic operations and safety evaluations for prime contractors on Loudoun County Route 15 widening projects. Develops and runs VISSIM models to analyze current and future traffic conditions and performs volume projections. Requires expertise in VISSIM modeling. Delivers traffic analysis reports, VISSIM model results, and safety evaluation summaries.

Similar Contracts

Same NAICS industry code

NAICS: 541330
New
Subcontracting Opportunity: City of Bend’s Southwest Sewer Improvement Phase 3, Project No. 1SSW3
Solicitation # 27-3214
Parametrix is seeking qualified subconsultants to provide civil engineering design and right-of-way services for the City of Bend’s Southwest Sewer Improvement Phase 3, Project No. 1SSW3. The project aims to address sewer system deficiencies in southwest Bend by extending a gravity sewer mainline, decommissioning existing pump stations, and installing service laterals for properties currently using onsite septic. The scope may also include transportation improvements such as roadway reconstruction and ADA curb ramps, as well as public outreach and right-of-way acquisition. The project is funded by the Clean Water State Revolving Fund through the Oregon Department of Environmental Quality, with a total budget for design and construction activities of approximately 3.875 million dollars. The City of Bend will select a consultant based on a scoring system that evaluates project understanding, team qualifications, and firm experience, with an optional interview component. The goal is to have the project advertised for construction services in Fall or Winter 2027. Parametrix is actively soliciting firms with federal, tribal, state, local, or independent DBE certifications as part of a good faith effort. Interested subconsultants must adhere to strict proposal formatting and submission guidelines, with a response deadline of September 29, 2026.
Parametrix

POSTED

about 10 hours ago

DEADLINE

in 8 days
View Details
NAICS: 541330
New
College Park East Stormwater Infrastructure Design Services - Seal Beach, CA
Solicitation # CIP SD2601
The City of Seal Beach is soliciting professional engineering and environmental design services for the College Park East Stormwater Infrastructure Project (CIP SD2601) to mitigate chronic flooding in the College Park East neighborhood. The primary objective is to advance the project to a shovel-ready condition through a comparative evaluation of two pump station siting alternatives, Ironwood and Aster Park, and the subsequent development of 60, 90, and 100 percent plans, specifications, and estimates. The scope of work includes the design of storm drain lines, culverts, catch basins, and detention basins, as well as providing supplemental field surveys, public outreach, and environmental permitting in compliance with CEQA and NEPA. This procurement is funded in part by a U.S. EPA Community Project Funding award and is subject to federal procurement standards under 2 CFR Part 200, including domestic-preference requirements and non-discrimination mandates. Selection is qualifications-based per the Brooks Act and California Government Code, with evaluation weighted toward scope understanding (40 percent), team qualifications (25 percent), and project approach (25 percent). The contract is structured as a professional services agreement on a time-and-materials basis with a not-to-exceed value of 1.3 million dollars. Key requirements include adherence to California prevailing wage laws, monthly invoicing, and the maintenance of detailed project records for three years following completion. Proposals are due by 2:00 PM on September 22, 2026.
PACIFIC Advanced Civil Engineering, Inc.

POSTED

about 10 hours ago

DEADLINE

in 7 days
View Details
NAICS: 541330
New
Scattergood GS. Units 1&2 Green Hydrogen-Ready Modernization
Solicitation # scattergood-gs-units-12-green-hydrogen-ready-modernization
Kiewit Infrastructure West Co. is seeking sub-quotes for the Scattergood GS. Units 1&2 Green Hydrogen-Ready Modernization project for the City of Los Angeles Department of Water and Power. The scope of work is extensive and includes utility locating, potholing, geotechnical and geophysical investigations, LIDAR, and a wide array of engineering support covering civil, structural, mechanical, electrical, and instrumentation and controls. Additional requirements include cathodic protection system design, BIM/3D modeling, commissioning and startup planning, land surveying, CPM scheduling, and comprehensive environmental services such as hazardous materials surveys, permitting support, and compliance monitoring. Interested firms must contact Kiewit to receive an Invitation to Bid via the Building Connected system. Responsive bidders are required to hold a valid California Contractor's license, provide acceptable insurance, and provide bonding for 100 percent of their contract value, with bond premiums reimbursed by Kiewit. The solicitation specifically encourages participation from certified DBE, MBE, WBE, and OBE firms. Bidders must demonstrate the ability to maintain labor harmony, as Kiewit is a signatory to several collective bargaining agreements. The bid date is September 11, 2026, and the primary point of contact for the project is Lead Estimator Joe Bockelman.
Kiewit Infrastructure West Co.

POSTED

about 10 hours ago

DEADLINE

in 8 days
View Details

More opportunities from Virginia → Loudoun County

Same awarding agency

New
SLED
Roadway & Civil Design Services for Route 15 Widening - Montresor Rd to Lucketts Bypass, RFQ 714030
Solicitation # RFQ 714030
Loudoun County, Virginia, is seeking qualified consultants under RFQ 714030 to provide roadway and civil design services for the widening of Route 15 from Montresor Road to the Lucketts Bypass. The selected consultant will be responsible for advancing the project through a design-bid-build methodology, encompassing design, permitting, right-of-way acquisition support, utility coordination, public involvement, and the preparation of construction procurement documents, as well as providing construction-phase engineering and administration support. All work must adhere to VDOT, FHWA, and Loudoun County standards, including the Public Right of Way Accessibility Guidelines and the Americans with Disabilities Act. The estimated period of performance for these services is a maximum of thirty months following the issuance of a purchase order. Proposals are due by 4:00 p.m. on October 22, 2026, and must be submitted as one physical hard copy and one electronic PDF copy on a USB flash drive. The selection process is based on a ranking system conducted by a Proposal Analysis Group, focusing on the quality and completeness of the proposal and an interview process for short-listed firms; cost is not considered during the initial ranking and will only be negotiated with the top-ranked firm. Required submission documents include a W-9, a certificate of insurance, proof of authority to transact business in Virginia, and a tabbed proposal following the specified format. Administrative requirements include the use of Trimble Unity Construct for deliverable management and adherence to Net 30 payment terms.

POSTED

about 11 hours ago

DEADLINE

in about 1 month
View Details
NAICS: 541620
New
SLED
Purch of Stream Mitigation Cred for Evergreen Mills Rd/Watson Rd/Reservoir Rd Inter Improvements
Solicitation # RFQ 714026
The County of Loudoun, Virginia, is soliciting bids under RFQ 714026 for the purchase of 1,126 stream mitigation credits to provide compensatory mitigation for the Evergreen Mills Road, Watson Road, and Reservoir Road Intersection Improvement project. The credits must be sourced from banks approved by the United States Army Corps of Engineers and the Department of Environmental Quality, located within the Middle Potomac-Catotcin watershed, Hydrologic Unit Code 02070008. All credits must adhere to the Unified Stream Methodology or an equivalent approved method. The project is governed by Virginia DEQ Water Protection Permit WP3-26-0664 and the USACE Norfolk District State Program General Permit 22-SPGP-LT. Bids are due by 4:00 PM on October 8, 2026, and must be submitted via the iSupplier system, US Mail, or hand delivery. The County will award the contract to the lowest responsive and responsible bidders based on the unit cost per credit, reserving the right to award multiple contracts to meet the total quantity. Eligible bidders must be owners or authorized representatives of active mitigation banks in good regulatory standing and must provide a DEQ authorization letter, current bank ledger, and a W-9 form. Following a purchase order, contractors have seven calendar days to reserve credits and provide an executed agreement, with final conveyance of the Bill of Sale required within ten calendar days of payment. Payment will be rendered within 45 days of final inspection and acceptance.
Environmental Consulting Services

POSTED

6 days ago

DEADLINE

in 17 days
View Details
NAICS: 541330
New
SLED
CEI Services for Route 15 N Widening: Battlefield Pkwy to Montresor Road, RFQ 714025
Solicitation # RFQ 714025
Loudoun County, Virginia, is seeking proposals under RFQ 714025 for Construction Engineering and Inspection (CEI) services to support the Route 15 North Widening project from Battlefield Parkway to Montresor Road. The selected consultant will provide full-time on-site inspection, construction administration, materials sampling and testing, and engineering support to ensure compliance with approved plans, specifications, and VDOT standards. The project is estimated to last 54 months, spanning from mobilization through project closeout. This will be a unit price contract based on agreed hourly rates, with technical oversight provided by the Director of the Department of Transportation and Capital Infrastructure. The procurement follows a qualifications-based selection process where a Proposal Analysis Group will shortlist firms for interviews before selecting a top-ranked offeror. Cost information must not be included in the initial proposal and will only be requested from the final selected firm. Proposals are due by October 13, 2026, at 4:00 PM and must be submitted as one physical hard copy and one electronic copy on a USB flash drive. Required documentation includes a proposal submission form, proof of authority to transact business, and an insurance certificate meeting specific Best's Key Ratings and coverage limits. Consultants must provide qualified personnel, including a Senior Inspector and Construction Inspectors with at least three years of relevant experience, and adhere to strict VDOT and federal regulations.
Engineering Services

POSTED

7 days ago

DEADLINE

in 22 days
View Details

Ready to Pursue This Opportunity?

Get AI-powered intelligence on this solicitation and the ones like it

Every page of the solicitation package shredded into a compliance breakdown

AI-powered matching based on your capabilities and past performance

Competitor and incumbent history on the requirement

Automated alerts on amendments, Q&A deadlines, and award

Miguel
Hillary
Keith Deutsch
Christine

Join 750+ contractors already using CLEATUS