If you're a W-2 employee, under the new tax law you can no longer any of your work-related mileage. It's well-explained in this web reference: https://www.buildium.com/blog/how-tax-reform-affects-your-2018-mileage-deduction/
(Work mileage is still deductible on Schedule C if you're self-employed.)
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
