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  HOME > FACILITY TYPES > EXPRESSWAYS
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Expressways

    US 221 (Marion Bypass)
    US 221 (Marion Bypass)

    US 117 north of I-40
    US 117 north of I-40

    US 74 west of Waynesville
    US 74 west of Waynesville

    US 64 in Apex
    US 64 in Apex
  • Functional Purpose:  High Mobility, Low to Moderate Access
  • AASHTO Design Classification:  Arterial
  • Posted Speed Limit:  45 mph to 60 mph
  • Control of Access:  Limited or Partial
  • Traffic Signals:  Not Allowed
  • Driveways:
    Limited Control of Access -
    Not Allowed
    Partial Control of Access - One Driveway Connection per Parcel; Consolidate and/or Share Driveways and Limit Access to Connecting Streets or Service Roads; Restrict to Right-in/Right-out
  • Cross-Section:  Minimum 4 Lanes with a Median
  • Connections:  Provided only at Interchanges for Major Cross Streets and At-Grade Intersections for Minor Cross Streets; Use of Acceleration and Deceleration Lanes for At-Grade Intersections
  • Median Crossovers:  Allowed; Alternatives to All-Movement Crossovers Encouraged; Minimum Spacing between All-Movement Crossovers is 2000 feet (posted speed limit of greater than 45 mph) or 1200 feet (posted speed limit of 45 mph or less)
  • Examples:  US 221 (Marion Bypass), US 220 in Rockingham County, US 321 south of Lenoir, US 117 north of I-40; US 74 (Independence Blvd) just east of I-277 in Charlotte, US 74 west of Waynesville, US 29 in Guilford County, US 301 north of Wilson, US 64 in Apex

Illustrative Examples

Click to Enlarge in a New Window
Urban Expressway
Click to Enlarge in a New Window
Rural Expressway


Click to Enlarge in a New Window
Expressway with Directional Crossovers
and Median U-turns


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