LAS VEGAS (KLAS)– Visitors leaving Las Vegas Saturday afternoon are dealing with heavy traffic on the Nevada/California State Line on Interstate 15 near Primm.

The Regional Transportation Commission of Southern Nevada has issued a travel alert warning following a 19-mile backup on Interstate 15 heading south.

The backup is normal for drivers who travel between Nevada and California.

As of 6 p.m, RTC says it is a 10-mile backup.

Officials remind drivers to leave some extra time for any major delays.