In this week's edition of Throwback Thursday, we travel back to December 2003 to the southern end of Interstate 99 in Bedford, Pennsylvania, where we can see button copy guide signage for US 30 and US 220 (US 220 runs concurrent with I-99 through this part of the Keystone State). Since I-99 was relatively new at the time, it feels like it was an afterthought.
Interstate 40 within California is entirely contained to San Bernandio County over a course of 155 miles from Interstate 15 in Barstow east to the Arizona State Line at the Colorado River. Interstate 40 is aligned entirely in the Mojave Desert over the same general corridor established by US Route 66 and the National Old Trails Road. Interstate 40 is known as the Needles Freeway and has an interesting backstory which included the prospect of the Bristol Mountains being excavated by way of nuclear blasts as part of Operation Carryall. Part 1; the history of Interstate 40 in California The focus on this blog will be primarily centered around the construction of Interstate 40 ("I-40") within California. That being said the corridor of automotive travel east of Barstow to the Arizona State Line was largely pioneered by the National Old Trails Road ("NOTR") In April of 1912 the NOTR was organized with the goal of signing a trans-continental highway between Baltim