Tamaulipas → Coahuila · Autopista 85D Monterrey-Nuevo Laredo
Autopista 85D Monterrey-Nuevo Laredo is the backbone for anyone connecting Nuevo Laredo, Tamaulipas, to Saltillo, Coahuila: roughly 341 km (212 miles) of pavement that translate into about 3h 47m at the wheel under favorable conditions. Nuevo Laredo, the principal puerto fronterizo de comercio terrestre con Estados Unidos, gradually slips into the rearview mirror as the landscape shifts from city blocks through rural counties and finally into the metropolitan footprint of Saltillo, the capital coahuilense y centro de la industria automotriz Chrysler. Fleets that slot this leg into a weekly rotation tend to schedule mid-week departures, when truck volume is lighter and weather-related closures are less likely. The engine averages around 28.4 liters (7.5 gallons) of gasolina Magna, which works out to about MXN 687.28 at the 24.20 MXN/liter benchmark. Reimbursement for the outbound run, calculated at MXN 6.50/km, totals MXN 2216.50. Generate the receipt in Clara before stepping out of the vehicle so the expense lands in the same-day close, with zero rework for accounting. For the US professional driving the 341 km (212 mi) between Nuevo Laredo and Saltillo, reimbursement of MXN 2216.50 stays non-taxable to the employee when the employer follows an accountable plan under Treas. Reg. §1.62-2 and reimburses at or below the IRS standard mileage rate. US employers generally reimburse at the IRS standard mileage rate so the payment stays non-taxable to the employee under Pub. 463. Keep the IRS-compliant expense report (Form 1040 Schedule C, line 9) alongside the fuel receipt from any EIA-tracked retail station network pump used along the leg; Internal Revenue Service (IRS) examiners pull contemporaneous mileage logs first when auditing Schedule C unreimbursed business expenses, and the Nuevo Laredo→Saltillo corridor must show date, business purpose, and odometer readings.