⚠️ ALERT⚠️
The Library building is temporarily closed. Library staff and some services have been relocated to the 4th and 5th floors of the Howe Center.
Visit the following link for services and hours available at Howe: Library Support and Services During Summer Closure.
Government information is vast and covers a wide range of topics relating to civil engineering. Different departments can track the same issues in different ways, so it can be very useful to start with USA.gov, the catch-all portal to all agencies, to see what turns up.
You can also look to the federal agencies themselves:
More local information can be found here: