California Department of Transportation

Office of Special Funded Projects

Current Issues

Conversion to English Units

Caltrans has returned to using the customary English system of units. Questions and inquiries should be directed to your Caltrans Project Manager. Further information can be found in the following documents and websites:

Memorandum regarding Deputy Directive DD-12-R-1 (57 kB pdf)
Exception Request Form (151 kB pdf)
Deputy Directive DD-12-R1 Metric to English Transition (151 kB pdf)
Memorandum regarding Declaration of Units of Measure (94 kB pdf)

Return to Current Issues

Information for Persons with Sensory Disabilities