Highest federal tax rate by year, 1918 - 2017: https://bradfordtaxinstitute.com/LibRepository/235f37bd-612d...
The bulk of the interstate highway system was built between 1960 and 1980.
The bulk of the interstate highway system was built between 1960 and 1980.
The percentage of GDP collected as income taxes is about the same then as it is now. In fact, the top 1% paid less of the total taxes during the New Deal than now.[1]
[1]http://www.slate.com/blogs/moneybox/2017/08/07/the_history_o...