Pennsylvania Highways:  Interstate 99 (2024)

Pennsylvania Highways: Interstate 99 (1)
Bud Shuster Highway
Appalachian Thruway

The first section of thisInterstate that gives some indigestion to be built was from south of Bedford Springs to Exit 3in 1969. Constructed along with the US 30 bypassof Bedford, the part from south of Bedford Springs to the interchangewith Business US 30 is a two-lane limited-access design known as a "Super2."

The 1970s began with this sectionopening to traffic in the first year of the decade. In the same year,construction began on the section between Exit 45 and Exit 52 which wasoriginally the Tyrone Bypass of US 220. Five years later constructioncommenced on the section from Exit 3 to the Blair County line. In1976, the Tyrone Bypass opened to traffic.

Thesection between Exit 3 and a temporary exit to take traffic back to the originalUS 220 alignment at current Exit 15 started in 1975 and was completed five yearslater. Blair Countywould finally see construction taking place in 1982, when the section betweenthe Newry Lane underpass to Exit 31 was started. Just as in BedfordCounty, the segment was built along with a US route being upgraded to anexpressway which was the US 22 expressway to Ebensburg. Construction wasextended from Exit 31 to Exit 33 two years later. In 1986, this sectionfrom a temporary Newry Lane interchange to Exit 33 opened to traffic which alleviatedcongestion in downtown Altoona. With that completed, attention turned tothe section between the temporary interchanges at Exit 15 and Newry Lane whichbecame marked as proposed on the 1986 Department of Transportation map. Itwouldn't take long for that gray, dashed line to be turned into a colored one asconstruction began on it the following year. In 1988, the section from anew temporary interchange at PA 164 to the one at Newry Lane opened, whichprompted its closure. The final year of the 1980s saw the segment betweenExit 15 and the temporary interchange at PA 164 open and that temporaryinterchange close.

After theBedford to Altoona link had been completed, there was the gap between Altoonaand Tyrone left to close. Construction began in 1991 to close that gap betweenExit 33 and Exit 45. It opened to traffic in 1995, creating an uninterruptedroute from south ofBedford Springs to north of Tyrone: free of cross traffic, trafficsignals, and slow trucks trying to navigate narrow, mountainous, old US220.

However, not all things were quieton the Central Front. In 1996, Representative Bud Shuster who acquired funds for the upgrading of US 220, had this highway designatedan Interstate in Section 322 of the National Highway System Designation Actof 1995. Something that I agreed should have happened; that is wherethe agreeing stops! Bud had his highway designated I-99 and had the designationwritten into law. It was bad enough it runs past his son's car dealership, and violate Interstate highway numbering system too!It should have been numbered I-576, 776, or 976. I like the last...afitting number for someone that had been under investigation for illegal highway funding acts, and was reprimandedby the House ethics committee for accepting improper gifts and favoring alobbyist by the name of Ann M. Eppard as The Washington Post reported. In September 2000, the Committee onStandards of Official Conduct criticized Shuster for "serious officialmisconduct" but did not penalize him any further.

On January 4, 2001 Bud Shuster announced he was retiring after 14-terms in the House of Representatives due torecent "health scares." He said he didn't want to wait until theend of his term because he didn't want to become a lame duck; however it's OKdo damage the numbering system and name a highway after himself. Wethought maybe we had finally gotten rid of the name Shuster in congress;however, we were wrong. In March 2001, his son Bill announced he would run for his father's vacantseat. He won the May 15 election by 52% over his opponent Scott Conklin.

After almost four years of construction, the next section to open was from the Mount Nittany Expressway to the Bellefonte Bypass on November 25, 2002. Ribbon cutting ceremonies started at 10 AMat the Park Avenue interchange near Beaver Stadium, which marked the officialopening of the expressway.

Pennsylvania Highways: Interstate 99 (2)
Piece of ceremonial ribbon used at the opening ofthe
section from US 322 to PA 26.
(PennDOT; courtesy of Geoff Hatchard)

The officialname of the project was the PA 26 Relocation Project, whichstarted in January 1999 andcost $195 million to build. The Bellefonte Bypass section of the expressway was built in 1971 and opened in 1972 as a "Super-2" expressway, a two-lane expressway built on a four-lane right-of-way. In 1997, the other lanes were built to make it a four-lane highway. As other expressway projects in Pennsylvania, an open house was held on October 26, 2002 called a "Roll & Stroll." Around 1,000 people are estimated to have walked,biked, skated and strolled along the new expressway. A four-mile race tobenefit the United Way of Centre County was held on the right-of-way, with PennState's ROTC cadets participating with the public. This section will notofficially become part of I-99 until 2007 when the Bald Eagle to Mount NittanyExpressway section is completed.

Pennsylvania Highways: Interstate 99 (3)
Looking northward at the interchange with US 322 in State College in
Summer 2002. (PennDOT)

Pennsylvania Highways: Interstate 99 (4)
Looking north on thesouthbound lanesnear
Harrison Road. (Michael Brand)

Pennsylvania Highways: Interstate 99 (5)
Looking southbound across PA 144 near Bellefonte in April 2000.
(Michael Brand)

Pennsylvania Highways: Interstate 99 (6)
Overpass at PA 144 under construction in October 2000. (Michael Brand)

Pennsylvania Highways: Interstate 99 (7)
Looking north on thesouthbound lanes at the I-99/PA 26/PA 64 interchange. The ramp
above leads from I-99 south to PA 26/PA 64. (MichaelBrand)

Pennsylvania Highways: Interstate 99 (8)Constructionbegan in Fall 2000 on the section from Bald Eagle to State College withcompletion originally scheduled for late 2003. However, that changed inFebruary 2004 when construction crews unearthed vast quantities of acid rock atSkytop Mountain. Gary Byron, assistant regional director for the stateDepartment of Environmental Protection said he has never seen a bigger potentialfor stream damage than the uncovering of this material. "It's theworst I've seen, and I've been here 27 years," he said. "Thebottom line is, PennDOT's environmental-impact work for I-99 missed thisgeologic formation." Between 500,000 and one million cubic yards ofacid rock, previously sealed in geologic formations, is now exposed to rainwaterthat drains into Buffalo Run which is a tributary of Spring Creek. Byronwent on to say that the rock "is rare, but it is very wicked in chemicalcomposition." Soda ash briquettes are being used to neutralize theacidic drainage as it washes into the stream. On March 8, the Departmentof Environmental Protection shut down construction in a half-mile section untila solution could be reached. By August, the run-off had contaminated 19wells requiring one home to have bottled water to supplant the contaminatedstuff coming out of the faucets. Three wells became contaminated during a90 minute hearing in Harrisburg about the acid rock run-off.

Pennsylvania Highways: Interstate 99 (9)
A sediment basin near the PA 550 overpass used to monitor run-off. The mainline of the Interstate is on the
right side behind the orange safety fence.
Pennsylvania Highways: Interstate 99 (10)
Stormwater basin on the side of PA 550 near the overpass.
Pennsylvania Highways: Interstate 99 (11)
Well to monitor seepage into the groundwater.

Removal of the pyritic rock was placedin the hands, or trucks, of an Indiana County company. A $26 millioncontract to haul piles of approximately 650,000 cubic yards of the rock 75 milesaway to a fly ash pit near Ebensburg was signed by Robindale Energy Services inJanuary 2006. An additional $14 million would go to covering up the400,000 cubic yards that will remain on Skytop Ridge. When started in thesummer, the operation had 50 trucks making three round trips a day for 200 daysor 30,000 truckloads. The fly ash in the mine helped neutralize thesulfuric acid. The other option PennDOT explored was building an"engineered rock placement area" to dump the pyritic rock on Skytop.A third option to use Bauxsol was dismissed in 2005. Even though it workedeffectively, the state determined it would be too difficult to apply it to allof the affected areas.

Some of the rock had to stay on theridge, either on a rock face or to act as support for the Interstate. Toshield it from oxygen and water, the areas were covered with three layers ofimpermeable plastic as well as lime-kiln dust and synthetic webbing. A$1.5 million permanent surface water collection and treatment facility, whichuses sophisticated filtering equipment, to clean and safely return run-off waterback into the environment was built in 2012. PennDOT District 2 has information on the pyritic rock issue on thispage.

In April 2006, TransportationSecretary Allen Biehler announced the total cost of clean up would be $50.5million. By 2008, the cost rose to $79 million because of two factors.Two years earlier oil was trading at $70/barrel and officials were expecting toonly have to truck 667,000 cubic yards, rather than 1 million cubic yards, ofrock to the disposal site. However, the final cost of clean-up totaled$100 million.

Pennsylvania Highways: Interstate 99 (12)
View from PA 550 looking towards the former and current US 220/US 322 alignments.
Pennsylvania Highways: Interstate 99 (13)
Bridges over Sellers Lane just west of State College.
Pennsylvania Highways: Interstate 99 (14)
Looking southbound towards Bald Eagle Mountain at
the Gray's Wood interchange in Summer 2002.
(PennDOT)
Pennsylvania Highways: Interstate 99 (15)
Facing southbound on Bald Eagle Mountain in September 2002. The
highway running through the picture was the former alignment for
US 220/US 322. (PennDOT)
Pennsylvania Highways: Interstate 99 (16)
Facing northeast from Port Matilda towards State College in September
2002. (PennDOT)

After seven years of construction, anddelays involving pyritic rock, a portion of the Bald Eagle-to-State Collegesegment opened on December 17, 2007. The northbound lanes from PA 350 toSkytop Mountain and southbound lanes from Port Matilda to PA 350 were supposedto open thirteen days earlier, but the opening was postponed to give crews moretime to prepare. The opening was then moved to December 13 before it wascancelled due to winter weather.

Pennsylvania Highways: Interstate 99 (17)
While clean-up of acid rock kept the southbound side of the expressway closed, US
220/US 322 had its opposing directions split.
Pennsylvania Highways: Interstate 99 (18)
Before construction began, traffic was narrowed to one lane and forced to
exit at PA 350.
Pennsylvania Highways: Interstate 99 (19)
During construction, traffic must detour onto a temporary roadway. In the middle is the
former stub end and where the large dump trucks are parked is the old exit ramp.

Even though the cleanup of the acidrock continued, PennDOT decided to open as many completed sections to move asmuch traffic off the antiquated US 322 as possible. Eastbound traffic useda temporary ramp on Skytop Mountain to rejoin the former alignment while thewestbound traffic continued to use the former route. Federal, state, andlocal officials gathered on November 24, 2008 to mark the completion of theexpressway and pay tribute to former US Representative Bud Shuster whospearheaded the effort for high-speed route through central Pennsylvania."This project became a reality through the tireless work and dedication ofCongressman Bud Shuster," Secretary of Transportation Allen Biehler said."Bud was instrumental not only for making this roadway a reality in theregion, but for delivering the entire corridor." Shusterhimself spoke at the opening by saying I-99 "really was the premierdream...seeing an Interstate going north to south through our region."The acid rock clean up, which added $82 million to the cost, was alluded to afew times but not mentioned outright. The highway opened at 3 PM which wasjust in time for its first winter weather test that evening as most of it ishigher than the original route and therefore its bridges freeze faster.

BaldEagle to Port Matilda Pennsylvania Highways: Interstate 99 (20)- PennDOT
PortMatilda to State College Pennsylvania Highways: Interstate 99 (21)- PennDOT

Before the Interstate 99 designationcould be extended from Bald Eagle to Interstate 80, Congress had to passlegislation to amend the definition of the route. The reason it had to beextended in that manner was because the designation was written into law, andany further extensions must be also be approved by Congress. Interstate 99was officially designated as such on December 10, 2008.

The first 70 MPH speed limitswere posted in 2016 from mile marker 0 to mile marker 27 and mile marker 33 toExit 68. The speed limit on the section inCentre County between the Gray's Woods interchange and mile marker 84 near Interstate 80 was increased from 55 to 65 MPH inApril 2019. The increase took place after the findings of requested speedstudies determined that a raise would not be detrimental, and done in accordancewith federal and state regulations.

Links:
Exit Guide
Interstate 99 Ends
Interstate 99 Pictures
I-99/US 220 Construction Progress Map
I-99/US 15 Construction Progress Map
US 220
Pennsylvania I-99 Summary Report - Federal Highway Administration
Interstate 99 - Andy Field/Alex Nitzman
Interstate 99 - David Steinberg
Interstate 99Pictures - Andy Field/Alex Nitzman
Interstate99 Pictures - Steve Alpert
Interstate99 Photos - Valerie Deane
Kurumi's Trippy Drive '71 - Scott Oglesby

UNDER CONSTRUCTION INTERCHANGEWITH I-80
Currentlythis is a modified diamond interchange. The new interchange will bea new expressway to expressway, high-speed, semi-directional Y at the location of the current Exit 161. Anadditional exit for local highways will be constructed east of the interchange. For a detailed plan of the interchange, see https://www.pahighways.com/interstates/I80-I99interchange.pdf.

On March 6, 2006, PennDOT announced changes to the interchange to avoid a similar fate to the Skytop Mountain section. The revised plan moves the interchange closer to Nittany Creek, reduces the amount of material to be moved by 400,000 cubic yards, and retaining walls instead of hillside excavation. The discovery of pyrite is not new as PennDOT had known about it for two years and as more surveying and core borings took place, the necessity of reducing the impact of the interchange on the seam became more apparent. The changes will not result in any cost savings, but compared to paying for remediation of the acid rock drainage, it will end up cheaper than the alternative. Bidding on the $80 million high-speed interchange was to have begun in December 2008, with the local interchanges at Jacksonville Road and I-80 at Shay Lane scheduled to be bid at the end of 2006.

Talk about the interchange began again in 2009 when at a meeting of the Centre County Metropolitan Planning Organization on June 10, Chairman Kent Baker urged building the two interchanges even with opposition from Howard, Marion Township, and local residents. The roadblock in the way for the CCMPO was resolving controversy over the local interchange with Jacksonville Road which would help in securing $150 million to start construction. Marion officials said they do not oppose the high-speed interchange but fear the local interchange would attract too many cars and trucks to a sub-standard roadway. They came to the meeting with a document signed by 182 residents against the local interchange and only six in favor. The volunteer fire department in Howard sided with Marion officials but officials from Spring Township and Bellefonte have written the MPO and PennDOT is support of the dual interchange plan. An idea to combine the two interchanges was dismissed due to the confines within the Nittany Creek gap through Bald Eagle Mountain. Marion Township officials offered a compromise if the local-access interchange could not be eliminated in PennDOT improving Jacksonville Road and Hubler Ridge Road from the I-80/I-99 interchange to PA 150 north of Howard. PennDOT has only committed to a three-mile improvement of Jacksonville Road between the interchanges, far short of the ten proposed wanted by Marion Township. Benner Township engineer Doug Weikel insisted that his motion in support of the local interchange not include the improvements so as not to cause problems with procurement of funding.

On June 23, 2009, the Centre County Metropolitan Planning Organization voted to move forward with plans for the I-80/I-99 interchange and the local interchange nearby. Officials want to tap into $1.5 billion in American Recovery and Reinvestment Act monies to help with the projects that total $162 million. PennDOT has finished design work for the $43 million local interchange and is completing design of the $119 million high-speed interchange. Plans are to acquire $50 million to $60 million from the Appalachian Regional Commission with stimulus money covering the rest of the costs. President of the Howard Volunteer Fire Company Thomas Bowes objected to the Interstate 80 interchange with PA 26 saying that traffic from the interchange in addition to the potential re-opening of the Jacksonville stone quarry would jeopardize response time but create the potential for severe or fatal accidents on Jacksonville Road. Bellefonte opposes abandoning the local interchange because truck traffic would end up on the borough's older streets not designed for truck traffic. The Federal Highway Administration warned the CCMPO that if the interchanges are scrapped, the Commonwealth will have to repay approximately $27 million in federal money spent on design.

Local transportation planners originally designated the high-speed I-80/I-99 interchange as the number one transportation priority on the draft of Centre County's Long Range Transportation Plan at a meeting on March 23, 2010 of the Centre County Metropolitan Planning Organization. Then, much to the delight of local residents and Marion Township officials, the CCMPO reversed their decision and removed the project due to fiscal constraints. With the interchange put on hold, the organization changed its focus towards reconfiguring the ramps and replacing the overpass at the Waddle Road interchange.

The interchange gained traction in March 2019 when PennDOT unveiled plans to construct the local access interchange two miles east of the current PA 26 interchange on Interstate 80. The $34 million project is expected to be put up for bids on April 23, 2020 with completion scheduled in December 2021. The next bids would go out in March 2022 for improvements to Jacksonville Road, bridge improvements to the eastbound and westbound structures over Hubler Ridge Road and Sand Ridge Road on Interstate 80, and construction of the high-speed interchange between it and Interstate 99. The Jacksonville Road improvements are planned to be completed by July 2023, the bridge improvements by December 2023, and the high-speed interchange by December 2025. "It opens up the extension of I-99, but the feds are still looking," said PennDOT Assistant District Executive of Design Thomas Zurat. "Probably the biggest concern for 99 right now is the section going up to Williamsport. Once you get up into Lock Haven and up into Jersey Shore, it narrows down with a lot of houses and businesses for just a short section and then it opens back up to four lanes. That is kind of the restriction right now. It wouldn’t take us much to connect 80 to the Lock Haven bypass; that lower part is farm fields and you could do that. It’s the piece north of that that would be a little more difficult."

The three-phased project to finally tie Interstate 99 and Interstate 80 together began July 17, 2020. Funding through a federal Infrastructure for Rebuilding America grant amounting to $35 million was announced in July 2018. While the actual construction began on July 27, crews placed work zone and traffic control signs between Exit 161 and Jacksonville Road ten days earlier. Preliminary work will include erosion and sedimentation control in addition to building emergency pull-offs which will cost approximately $52 million. Phase Two will be construction of the local interchange with PA 26 that will be located two miles to the east of the current interchange at Exit 161 on Interstate 80 and will cost $4.4 million. Phase Three will be construction of the actual high-speed interchange between the two Interstates, and will cost approximately $135 million. Project website: https://www.penndot.gov/SR26Localinterchange.

PROPOSED NORTH OF INTERSTATE 80
Accordingto Eric High, project engineer for PennDOT District 3,ithasnot been decided to extend the I-99 designation to I-86 in New York state via US 220 and US 15 as ofyet. There are two gaps in the expressway between I-80 and Williamsport: I-80 to Salona and Jersey Shore to Williamsport.Environmental studies andpreliminary engineering began bysummer 2000 forthe Jersey Shore to Williamsport section. The I-80 to Salona section is not as far in theconstruction process. PennDOT is studying traffic patterns to determinewhere to connect the expressway to I-80. However, with the release in 2004 of the revised 12-Year Transportation Program, both segments are up in the air due to being deferred. However, I-99 mile markers and exit numbers have appeared on the expressway from PA 477 to the Lycoming County line.

Pennsylvania Highways: Interstate 99 (22)
Future I-99 Corridor sign
southbound near Trout Run.

Pennsylvania Highways: Interstate 99 (23) INFORMATION

Southern Terminus: Business US 220 in Bedford
Northern Terminus: Musser Lane in Bellefonte
Length: 85.60 miles
National Highway System: Entire length
Names: Appalachian Thruway
Bud Shuster Highway: Exit 1 to Exit 69
Mount Nittany Expressway: Exit 69 to Exit 73
Bellefonte Bypass: Exit 81 to I-80
SR Designation: 0099
Counties: Bedford, Blair, and Centre
Multiplexed Routes: US 220: Entire length
US 322: Exit 62 to Exit 73
PA 26: Exit 81 to Musser Lane
Former Designations: None
Former LR Designations: 1061: Exit 1 to Exit 33
1050: Exit 69 to Exit 73
Emergency: 911
Pennsylvania Highways: Interstate 99 (24)
Traffic Cameras:
Cross Keys
Plank Road
Logan Boulevard
Frankstown Road
17th Street
PA 350
Grays Woods
US 322
Park Avenue
Weaver Hill Road
Advisory Radio: 1630 AM
Back to Pennsylvania Highways
Back to Pennsylvania InterstateHighways
Page updated September 30, 2022.
Content and graphics, unless otherwise noted, copyright © Jeffrey J. Kitsko. All rights reserved.
Information sign courtesy of Richard C. Moeur.
Information courtesy of the Pennsylvania Department of Transportation,Pennsylvania Turnpike Commission, FederalHighway Administration, RandMcNally,the Philadelphia Inquirer, the Pittsburgh Post-Gazette, Len Pundt,WTAJ-TV Altoona, the Centre Daily Times, Centre County Gazette, and WPXI-TV Pittsburgh.
Pennsylvania Highways:  Interstate 99 (2024)

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