Welcome and thank you for visiting the Department of Mathematics


For Elm City club reservations, please contact Amy Davis with your accommodation requests.

Hotels - New Haven and  surrounding area

Transportation options to New Haven



If you are being reimbursed, here is some useful information:  Reimbursement tips!

Please help us to make the reimbursement process as quick and simple as possible, by keeping a few important things in mind. Thanks!

For timely reimbursements, submit receipts as soon as possible.

  • Reimbursements are subject to approval by host.
  • Yale University does not reimburse the full cost of business or first-class travel.
  • If you are arriving by plane, please book economy class fare. 
  • If your airfare reimbursement is coming out of NSF or a federal grant, you must use a U.S. carrier. See the Fly America Act.
  • If you are arriving by train, please book coach class.
  • Original receipts are requested for all expenses.
    • Submit all receipts for reimbursements along with completed travel reimbursement form  with a W9  and direct deposit form to Amy Davis upon completion of trip.
    • Include all itemized receipts displaying proof of payment >>> last four digits of credit card present on receipt.
  • Itinerary, class of service (coach, economy)
  • Travelers should choose a reasonably priced hotel with a single occupancy rate.
  • Ground transportation: the lowest cost ground transportation consistent with business needs.
  • Mileage Allowance Rate for Business travel, effective 1/1/2024; 67 cents per mile which covers fuel costs.
    • Please include exact destination points.
  • Car rental insurance for domestic travel will not be reimbursed by the university.
  • Fuel expenses are reimbursable only in relation to car rental expenses.
  • Non-reimbursable expenses:

    • In-room movies, “no-show” charges of hotel and car service, personal parking tickets or traffic violations, upgrades (air, hotel, car, train, etc.)

For any travel or reimbursement related questions, please contact us or visit Yale’s Travel Policy for more detailed information.

International Visitors

If you are not a citizen or permanent resident of the United States, the following documents are required for reimbursement:

  • Copy of Passport and Visa Identification page, Visa stamp, date entry stamp
  • Copy of Form I-94 Arrival/Departure record; MUST be printed while in U.S.
  • Completed W-8BEN and International Information Form (IIF) and a wire transfer form submitted with your payment request.
    • If you are seeking reimbursement, please follow the instructions on the form per your visa type, sign and date.
  • IRS tax treaty forms (W-8BEN/8233), if applicable
  • If your immigration status is B-2 or WT, the university is not permitted to make any payments to you.
  • Please contact the department in advance of your travel.

Visa related questions, please contact Amy Davis.

Local Airports:

Tweed-New Haven (HVN)

Bradley Airport (BDL)

(JFK) International

LaGuardia (LGA)

Newark Liberty Airport (EWR)


Amtrak - (800) 872-7245

Metro-North Railroad- (800) 638-7646; New Haven Railroad Station, 50 Union Avenue, New Haven

Shore Line East Commuter Rail - (800) 255-7433

Hartford Line (877) 287-4377

Shuttle Services:

Metro Taxi - (203) 777-7777

Additional Shuttle services

Uber App

Lyft App