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U.S. DOT FY 2026 Phase I Pre-Solicitation Q&A



5/29/26 Update: The Pre-solicitation is now closed. Topic questions are no longer being accepted. * * *

This U.S. DOT Small Business Innovation Research (SBIR) Pre-solicitation Q&A Forum provides small businesses an opportunity to submit clarifying questions on the topics published in the U.S. DOT Fiscal Year (FY) 2026 Phase I Pre-Solicitation. Questions will be answered by the Technical Experts/Topic Authors at the U.S. DOT Operating Administrations during this period. Questions shall be limited to improving the understanding of a particular topic's requirements and should not share proposal ideas nor proprietary information.

The U.S. DOT’s FY 2026 Pre-Solicitation period is April 29, 2026, through May 29, 2026, at 5:00 pm Eastern Time (ET). Only questions posted within this period will be responded to.

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Search: Browse the existing questions by category to find the topic you are interested in and to see if your question has already been addressed. If you see a question, you are also interested in, you can add a vote to the question, or leave a comment.

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  1. Select the research topic your question is related to from the drop-down menu that appears when you begin typing.
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  4. When finished, select “Post idea.” If you registered, you will be able to track responses to your post. Please include only one question or comment per post to help us keep the forum organized.
Please note, all comments will be public information. Potential offerors shall not include in the question(s) or comment(s) any information that they do not wish to be made public. Telephone inquiries or meeting requests will not be addressed and may be removed. The U.S. DOT shall not respond to requests for advice or guidance on any offeror’s solution to any SBIR topic and shall not consider any submitted materials other than questions.

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45 results found

  1. 26-OS2 Phase III transition customer and SBIR Catalyst pathway

    For Topic 26-OS2, does the topic have an identified Phase III transition customer (a specific DOT operating administration, state DOT consortium, or commercial carrier) already engaged with Volpe, or is the offeror expected to develop the transition-customer relationship during Phase I/II? Additionally, is this topic part of the DOT SBIR Catalyst pathway with an expedited Phase II-to-Phase III transition?

    2 votes

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  2. 26-OS2 are all three pillars required for a responsive Phase I

    Are all three pillars -- multimodal data integration, edge analytics, and federated learning -- required components of a responsive Phase I proposal, or is the language illustrative, such that a proposal could responsively address one or two of the three with strong justification? In particular, is federated learning across carrier/agency boundaries considered in-scope for a 6-month Phase I, or is centralized model training with a federated-learning Phase II roadmap acceptable feasibility evidence, given that cross-stakeholder data-sharing agreements typically exceed a 6-month window?

    2 votes

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  3. Event Prediction vs Traffic Prediction

    Does DOT consider prediction of precursor events (vehicle disablements, overheating vehicles, roadside incidents, parking overflow, cargo issues) to be within scope if they materially affect freight corridor performance?

    1 vote

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  4. Integration with Traffic Management Centers

    Should Phase I concepts demonstrate how predictive outputs could integrate with TMC, ATMS, 511, or existing DOT operational workflows, or is standalone analytics sufficient?

    1 vote

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  5. Truck Parking as a Corridor Variable

    Should truck parking availability, truck parking utilization, rest-area saturation, or queue spillback conditions be considered relevant predictive variables for freight corridor intelligence models?

    1 vote

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  6. Corridor Intervention / Actionability

    For Topic 26-OS2, is the desired outcome limited to prediction, or is DOT also interested in systems that recommend or trigger operational interventions (e.g., routing adjustments, dynamic parking utilization, traveler messaging, dispatch actions, or corridor management responses)?

    1 vote

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  7. Is the agency interested in roadside truck disablements as predictive corridor safety risks?

    Many existing corridor intelligence systems focus primarily on traffic flow after disruptions occur. Is the agency interested in approaches that instead predict and prevent the operational events themselves — such as commercial vehicle failures, thermal derating, or unsafe roadside disablements — before they cascade into broader freight corridor congestion and highway safety impacts?

    1 vote

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  8. Beyond predictive model accuracy, what operational success criteria are most important to the Department for evaluating Phase II readiness,

    Beyond predictive model accuracy, what operational success criteria are most important to the Department for evaluating Phase II readiness, particularly regarding interoperability with existing DOT operational systems, dashboard environments, and stakeholder decision-making workflows?

    1 vote

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  9. Does the Department have preferred characteristics for candidate pilot corridors in Phase II (e.g., port-centric, interstate freight, interm

    Does the Department have preferred characteristics for candidate pilot corridors in Phase II (e.g., port-centric, interstate freight, intermodal, rural supply chain corridors), or is corridor selection intended to be proposer-defined based on operational feasibility and partner availability?

    1 vote

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  10. Public data for Phase I proof of concept

    For topic 26-OS2, will a Phase I proof of concept be considered responsive if it uses publicly available freight, traffic, weather, incident, work zone, and infrastructure datasets for the initial model, while identifying private freight or telematics data partnerships as part of the Phase II pilot plan?

    1 vote

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  11. For Phase I proof-of-concept activities, does the Department anticipate facilitating access to any federal or state multimodal freight datas

    For Phase I proof-of-concept activities, does the Department anticipate facilitating access to any federal or state multimodal freight datasets, or should proposers assume responsibility for sourcing and integrating all public and private datasets independently?

    1 vote

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  12. Non-AV Fleet Data as Primary Input

    Does 26-OS2 accept non-AV commercial vehicle telemetry as qualifying data inputs? Or is the topic scoped to connected infrastructure sources such as RSUs and V2I systems only?

    1 vote

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  13. For 26-OS2, may Phase I focus on a U.S. port-linked intermodal freight corridor using maritime data and AIS/port/canal indicators?

    Clarifying whether port-linked maritime freight flows are within scope when connected to a U.S. freight corridor. No proprietary data or proposal details are included.

    1 vote

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  14. Cybersecurity / Data Protection

    For Topic 26-OS2, are there preferred cybersecurity or data protection expectations for Phase I systems utilizing proprietary freight, telematics, or transportation operations data?

    3 votes

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  15. Corridor Segment Scope

    For Topic 26-OS2, may applicants focus Phase I on a defined operational segment, freight bottleneck, port-to-inland route, intermodal connector, or recurring freight lane, or is DOT expecting an entire interstate corridor?

    1 vote

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  16. Private-Sector Use Case

    For Topic 26-OS2, may a private-sector freight operator, logistics provider, or transportation management environment serve as the primary Phase I use case if the solution is designed for future integration with public-sector corridor management systems?

    1 vote

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  17. Model Baseline and Delay Definition

    For Topic 26-OS2, should applicants compare the predictive model against a specific baseline and use a preferred definition of “freight delay,” such as travel time increase, missed delivery window, dwell time, congestion probability, or route deviation?

    1 vote

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  18. Commercial Freight Data

    For Topic 26-OS2, are aggregated, anonymized, or proprietary commercial freight datasets acceptable for Phase I model development if carrier, customer, and shipment confidentiality are protected and data limitations are documented?

    2 votes

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  19. Corridor Type and Scale

    For Topic 26-OS2, does DOT have a preferred type or scale of Phase I corridor, such as urban, rural, intermodal, port-related, manufacturing, cross-border-adjacent, or nationally significant interstate freight corridors?

    1 vote

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  20. International Trade Corridor Impacts

    For Topic 26-OS2, may a Phase I proof of concept account for Canada/Mexico border-adjacent congestion, customs-related dwell time, or cross-border freight disruption variables if the model remains focused on a selected U.S. freight corridor or segment?

    1 vote

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