Carpenter Summit is a highway pass name approved through the through the United States Geological Survey. This pass was created during the construction of I-8 from 1972 to 1974 in this area, but was never named unlike the three other 4,000 feet (1,200 m) then named during construction. The name “Carpenter Summit” was proposed in late 2019 then submitted and as of October 2020 pending the various levels of place name acceptance. Google Street view of I-8 East bound 4,000 foot elevation sign.Google Street view of I-8 West bound 4,000 foot elevation sign.