Tape Measure

Description Assists with laying out all measurements for various project elements (striping distances, marking locations, barrier spacing, height adjustments, etc.)  
Typical Dimensions N/A 
Estimated Cost $10 - $30 
Durability Demo: 1 day to 1 month installation / Pilot: 1 month to 1 year installation / Interim: 1 year to 5 year installation

All Projects Can be used to prepare projects of any durability.

Pull tape to desired distance to help apply project element / marking, roll back with crank arm.
Open wheel tape measures provides more utility than conventional metal tape measure and more accuracy than a measuring wheel. However, it does require a partner to make sure tape is taught. 
Won't be damaged if car drives over the tape, which is especially useful when measuring across active vehicular lanes. 

Borrow from a local hardware store or use your own.  
Purchase from a local hardware store.