List of highways numbered 688

The following highways are numbered 688:

Canada

• Highway 688, Alberta
• Highway 688, Saskatchewan

China

• China National Highway 688 (Chinese: 688国道, romanized: G688), Xinjiang

United States

• SR 688, Florida
• LA 688, Louisiana
• MD 688 (former), Maryland
• County Route 688 (Burlington County, New Jersey)
• County Route 688 (Camden County, New Jersey)
• County Route 688 (Hudson County, New Jersey)
• County Route 688 (Middlesex County, New Jersey)
• County Route 688 (Passaic County, New Jersey)
• PR-688, Puerto Rico
• FM 688, Texas

See also

• National Cycle Route 688, Yorkshire, England, United Kingdom

Preceded by 687

Lists of highways 688

Succeeded by 689