Did You Know How Mile Markers On The Highway System Are Established?

Posted by on Nov 27, 2018
Did You Know How Mile Markers On The Highway System Are Established?

By: Mark Randall, PE (TN), CPESC You may know that mile markers or mile posts tell drivers their location along an interstate or highway, but did you know how those markers are established or the other functions that they serve? Mile markers are used to indicate the distance traveled within a state as well as […]

Did You Know: Superelevation

Posted by on Nov 8, 2016
Did You Know: Superelevation

By Mark Randall, P.E. Similar to how NASCAR tracks utilize “banking” to help a car’s downforce and velocity through a turn, civil engineers use superelevation on regular roadways to do the same thing. While some tracks, such as the Talladega Superspeedway, are banked up to 33 degrees (an increase of 6.5’ in vertical elevation every […]

Driveways: They’re Not as Simple as You Think!

Posted by on Sep 27, 2016
Driveways: They’re Not as Simple as You Think!

People are often surprised to find out that they need to obtain a permit before adding a driveway that accesses their property from the highway.  The addition of a driveway could have an adverse impact on the safety and operation of the highway, so a permit must be acquired to ensure that a balance is […]