Should I drive different vehicles on my new Ottawa asphalt?

Yes, you should be very careful about vehicle traffic on new asphalt for the first 30 to 60 days, especially in Ottawa's climate. Heavy vehicles, sharp turns, and parking in the same spot can permanently damage fresh asphalt before it fully cures and hardens.

New asphalt is soft and vulnerable for several weeks after installation. The asphalt binder needs time to oxidize and harden, particularly in Ottawa where temperature swings between hot summer days and cool nights stress the curing process. During this period, the surface can be easily gouged, rutted, or marked by heavy loads or concentrated pressure.

Avoid heavy vehicles entirely for the first 30 days. This includes delivery trucks, moving vans, RVs, boats on trailers, and heavy work trucks. Even garbage trucks should use the street rather than backing into your new driveway. The concentrated weight of these vehicles can create permanent ruts and depressions that become more pronounced as the asphalt hardens around them. In Ottawa's climate, these depressions collect water and accelerate freeze-thaw damage.

Regular passenger vehicles are generally fine after the first 24 to 48 hours, but avoid sharp turns, especially when the asphalt is warm from sun exposure. Power steering creates significant torque that can twist and gouge soft asphalt. Instead of turning sharply in your driveway, back straight out to the street before turning. Avoid parking in exactly the same spot every day for the first month — vary your parking position by a foot or two to prevent tire impressions from becoming permanent.

Temperature matters significantly in Ottawa. On hot summer days (above 25°C), fresh asphalt becomes much softer and more susceptible to damage. Avoid driving on the driveway during the hottest part of the day for the first few weeks. Conversely, if your driveway was paved late in the season when temperatures are consistently cool, the curing process slows down and you may need to extend these precautions.

Motorcycle kickstands, bicycle kickstands, and lawn equipment can create small but permanent indentations in new asphalt. Use plywood pads under kickstands and avoid dragging heavy equipment across the surface. Even something as simple as a heavily loaded wheelbarrow can leave permanent marks if the asphalt hasn't fully hardened.

After 60 days, your asphalt driveway should be fully cured and able to handle normal residential traffic, including delivery trucks and occasional heavy vehicles. However, always avoid sharp turns under load and be mindful that asphalt remains somewhat softer on very hot days throughout its lifespan.

The patience you show during these first few weeks protects your investment and ensures your new Ottawa driveway maintains a smooth, professional appearance for decades to come.