Tamaulipas → Coahuila · Carretera Federal 2 Reynosa-Matamoros
Before turning the key for Saltillo, Coahuila, out of Matamoros, Tamaulipas, run through the pre-trip checklist: registration card in the glovebox, current insurance card on your phone, working SunPass or E-ZPass transponder for the electronic toll plazas along Carretera Federal 2 Reynosa-Matamoros, and a printed backup of the destination address in case GPS reception drops. The locked itinerary measures 443 km (275 miles) with an optimistic estimate of 4h 55m if cruise control sits steadily within the posted limit. Pulling out of Matamoros, the frontera con Brownsville en el delta del río Bravo, the road eventually delivers you to Saltillo, the capital coahuilense y centro de la industria automotriz Chrysler. Schedule departure outside the morning rush window and pack a thermos of coffee to skip an unscheduled stop in the first hundred miles. Budget around MXN 892.98 just for the pump (36.9 liters / 9.7 gallons of gasolina Magna) plus headroom for tolls. Outbound reimbursement at MXN 6.50/km equals MXN 2879.50 cleared to the driver. Use the Clara generator the moment you park to wrap everything into a single digitally signed PDF. For the Canadian professional driving the 443 km between Matamoros and Saltillo, reimbursement of MXN 2879.50 stays excluded from T4 employment income provided the per-kilometre rate matches the CRA's reasonable allowance benchmark for the province. Canadian employers typically reimburse at the CRA reasonable per-kilometre rate (61¢ for the first 5,000 km in 2024) so the payment is excluded from T4 employment income. Keep the GST/HST-compliant fuel receipt from any NRCan-tracked retail network station used during the trip — Canada Revenue Agency (CRA) auditors regularly verify fuel-receipt GST/HST when reviewing T2200 declarations of conditions of employment. The Matamoros→Saltillo mileage must be logged with date, business purpose, opening and closing odometer readings inside the corporate expense system before month-end close to remain deductible.