Contact NGSIM
Contact NGSIM for products, software support, transportation engineering services, research collaboration, and portal access.
General Inquiries
To reduce spam and protect the public website from email-harvesting bots, NGSIM does not need to publish a plain-text email address on this page. Please use the secure contact form below. Your message will be routed to the appropriate NGSIM contact after submission.
Product and Portal Requests
Approved users may request access to protected product materials through the temporary portal access page.