Connecticut Route 99

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Route 99 marker

Route 99
Map of central Connecticut with Route 99 highlighted in red
Route information
Maintained by ConnDOT
Length: 10.64 mi[1] (17.12 km)
Existed: 1969 – present
Major junctions
South end: Route 9 in Cromwell
 
North end: Wethersfield-Hartford town line
Location
Counties: Middlesex, Hartford
Highway system
  • Routes in Connecticut
Route 97 Route 100

Route 99 is a state highway in Connecticut running for 10.64 miles (17.12 km) from Route 9 in Cromwell, through the town of Rocky Hill, ending in Wethersfield at the Hartford city line. The road continues into Hartford as a local road (Wethersfield Avenue). It follows the former alignment of Route 9 from prior to that route's upgrade to a freeway.

Route description[edit]

Route 99 begins as the northbound Exit 18 ramp of Route 9 in Cromwell. At the end of the off ramp, the road continues north as Main Street. (Access from Main Street to the southbound on-ramp for Route 9 is designated as State Road 901). Main Street is a two-lane road that goes north through Cromwell up to Rocky Hill for about 5.6 miles (9.0 km). At the junction with Elm Street (Route 160), the road becomes a four-lane road known as the Silas Deane Highway. The Silas Deane Highway continues through Rocky Hill up to the town of Wethersfield. It serves as the main thoroughfare of these two towns, also providing access to several shopping centers. Route 99 has interchanges with Interstate 91 in Rocky Hill and the Wilbur Cross Highway (Route 15) in Wethersfield. At the Hartford city line, Route 99 ends but the road continues into downtown Hartford as Wethersfield Avenue.[1]

The entire length of Route 99 is also known as the George Washington Memorial Highway.[1]

History[edit]

The alignment of Route 99 was originally designated as part of New England Interstate Route 10 in the 1920s. The Silas Deane Highway was built in 1930 and New England Route 10 was shifted slightly west to use the new highway. In the 1932 state highway renumbering, the alignment was re-designated as Route 9. When Route 9 was upgraded to an expressway between I-91 and I-95 in 1969, the old surface alignment became Route 99.[2]

Junction list[edit]

County Location mi[1] km Destinations Notes
Middlesex Cromwell 0.00 0.00 Route 9 south – Old Saybrook Exit 18 (Route 9); partial interchange
0.97 1.56 Route 372 west – Berlin
Hartford Rocky Hill 5.19 8.35 West Street (SSR 411) To Dinosaur State Park
5.94 9.56 Route 160 – Berlin, South Glastonbury South Glastonbury via Rocky Hill-Glastonbury Ferry (April 1–November 30)
7.25 11.67 I-91 – Hartford, New Haven Exit 24 (I-91)
Wethersfield 8.48 13.65 Route 3 – Glastonbury, Rocky Hill
9.03 14.53 Route 175 west – Newington
10.33 16.62 Route 314 west (Jordan Lane)
10.50 16.90 US 5 / Route 15 – New Haven, Hartford
10.64 17.12 Wethersfield Avenue Hartford city line
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References[edit]

External links[edit]

Route map: Bing / Google

KML is from Wikidata